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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                  SCHEDULE 13G


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                             (AMENDMENT NO. ______)*


                                SUPPORT.COM, INC.
            ---------------------------------------------------------
                                (Name of Issuer)




                    Common Stock, par value $.0001 per share
 -------------------------------------------------------------------------------
                         (Title of Class of Securities)




                                   868587 10 6
               ---------------------------------------------------
                                 (CUSIP Number)





                                December 31, 2000
                                -----------------
             (Date of Event Which Requires Filing of This Statement)





Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[ ]     Rule 13d-1(b)

[ ]     Rule 13d-1(c)

[X]     Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED
IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY
VALID OMB CONTROL NUMBER.

SEC 1745 (3-98)


                               Page 1 of 17 pages

   2

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           SOFTBANK Technology Ventures IV L.P. ("SBTV IV")

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Delaware

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               3,874,090
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------

                          6   SHARED VOTING POWER

                              -0-

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              3,874,090

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              -0-

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,874,090

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.7%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           PN


                               Page 2 of 17 pages

   3

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           SOFTBANK Technology Advisors Fund L.P. ("STAF")

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------
 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Delaware

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               78,209
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              -0-

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              78,209

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              -0-

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           78,209

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           0.2%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           PN
           ---------------------------------------------------------------------


                               Page 3 of 17 pages

   4

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           STV IV LLC

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           Delaware

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               3,952,299
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              -0-

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              -0-

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           CO

           ---------------------------------------------------------------------


                               Page 4 of 17 pages

   5

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           Gary E. Rieschel

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 5 of 17 pages

   6

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           Charles E. Lax

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------
 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 6 of 17 pages

   7

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           Bradley A. Feld

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 7 of 17 pages

   8

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           Matthew A. Ocko

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]
           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 8 of 17 pages


   9

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           E. Scott Russell

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 9 of 17 pages

   10

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           D. Rex Golding

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299
                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 10 of 17 pages

   11

 CUSIP NO. 868587 10 6                               13G
          ---------------------------

 1         NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO(S). OF ABOVE PERSON(S) (ENTITIES ONLY)

           J. Heidi Roizen

           ---------------------------------------------------------------------

 2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) [ ]
                                                                         (b) [X]

           ---------------------------------------------------------------------

 3         SEC USE ONLY

           ---------------------------------------------------------------------

 4         CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

           ---------------------------------------------------------------------

        NUMBER OF         5   SOLE VOTING POWER
         SHARES               0 Shares
      BENEFICIALLY
        OWNED BY
          EACH
        REPORTING
       PERSON WITH:

                         -------------------------------------------------------
                          6   SHARED VOTING POWER

                              3,952,299

                         -------------------------------------------------------
                          7   SOLE DISPOSITIVE POWER

                              0 Shares

                         -------------------------------------------------------
                          8   SHARED DISPOSITIVE POWER

                              3,952,299

                         -------------------------------------------------------

 9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           3,952,299

           ---------------------------------------------------------------------

 10        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           [ ]

           ---------------------------------------------------------------------

 11        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           11.9%

           ---------------------------------------------------------------------

 12        TYPE OF REPORTING PERSON*

           IN

           ---------------------------------------------------------------------


                               Page 11 of 17 pages

   12

ITEM 1.
          (a)     NAME OF ISSUER: Support.com, Inc.

          (b)     ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
                  575 Broadway, Redwood City, CA 94063

ITEM 2.
          (a)     NAME OF PERSON FILING:

                  SOFTBANK Technology Ventures IV L.P. ("SBTV IV")
                  SOFTBANK Technology Advisors Fund L.P. ("STAF")
                  STV IV LLC
                  Gary E. Rieschel ("GER")
                  Charles E. Lax ("CEL")
                  Bradley A. Feld ("BAF")
                  Matthew A. Ocko ("MAO")
                  E. Scott Russell ("ESR")
                  D. Rex Golding ("DRG")
                  J. Heidi Roizen ("JHR")

          (b)     ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

                  200 West Evelyn Avenue, Suite 200
                  Mountain View, CA 94043

          (c)     CITIZENSHIP:

                  Entities:     SBTV IV        -      Delaware
                                STAF           -      Delaware
                                STV IV LLC     -      Delaware

                  Individuals:  GER            -      United States
                                CEL            -      United States
                                BAF            -      United States
                                MAO            -      United States
                                ESR            -      United States
                                DRG            -      United States
                                JHR            -      United States

          (d)     TITLE OF CLASS OF SECURITIES: Common Stock, par value
                                                $.0001 per share

          (e)     CUSIP NUMBER: 868587 10 6

ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO SECTIONS 240.13d-1(b), OR
          240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

(a) [ ]  Broker or Dealer registered under Section 15 of the Act
         (15 U.S.C. 78o);
(b) [ ]  Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c) [ ]  Insurance company as defined in section 3(a)19) of the Act
         (15 U.S.C. 78c);

(d) [ ]  An investment  company  registered under section 8 of the Investment
         Company Act of 1940 (15 U.S.C. 80a-8);
(e) [ ]  An investment adviser in accordance with Section
         240.13d-1(b)(1)(ii)(E);
(f) [ ]  An employee benefit plan or endowment fund in accordance with
         Section 240.13d-1(b)(1)(ii)(F);
(g) [ ]  A parent holding company or control person in accordance with
         Section 240.13d-1(b)(ii)(G);
(h) [ ]  A savings  association as defined in Section 3(b) of the Federal\
         Deposit  Insurance Act (12 U.S.C. 1813);
(i) [ ]  A church plan that is excluded from the definition of an investment
         company under section 3(c)(14) of the Investment Company Act of 1940
         (15 U.S.C. 80a-3);
(j) [ ]  Group, in accordance with Section 240.13d-1(b)(1)(ii)(J)

ITEM 4  OWNERSHIP.

                               Page 12 of 17 pages

   13




                 SBTV IV      STAF      STV IV LLC    Rieschel     Lax       Feld       Ocka      Russell    Golding     Roizen
                 --------    -------    ----------    --------   --------   --------   --------   --------   --------   --------
                                                                                          


(a) Beneficial
    Ownership    3,874,090   78,209     3,952,299     3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299

(b) Percentage
    of Class          11.7%     0.3%         11.9%         11.9%      11.9%      11.9%      11.9%      11.9%      11.9%      11.9%

(c) Sole Voting
    Power        3,874,090   78,209     3,952,299            -0-        -0-        -0-        -0-        -0-        -0-        -0-

Shared Voting
Power                   -0-      -0-           -0-     3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299

Sole Dispositive
Power            3,874,090   78,209     3,952,299            -0-        -0-        -0-        -0-        -0-        -0-        -0-

Shared
Dispositive
Power                   -0-      -0-           -0-    3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299  3,952,299



ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of class of securities, check the following: [ ]

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

Not applicable.

ITEM 7.   IDENTIFICATION  AND  CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
          THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

Not applicable.

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

Not applicable.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP

Not applicable.


                               Page 13 of 17 pages

   14

ITEM 10.  CERTIFICATION

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired and are held in the ordinary course
of business and were not acquired and are not held for the purpose of or with
the effect of changing or influencing the control of the issuer of the
securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.


        Date:  February 12, 2001



        SOFTBANK TECHNOLOGY VENTURES IV L.P.

By:     STV IV LLC
        its general partner

        By: /s/ Gary E. Rieschel
            ----------------------------------
                Managing Member


        SOFTBANK TECHNOLOGY ADVISORS FUND L.P.

By:     STV IV LLC
        its general partner

        By: /s/ Gary E. Rieschel
            ----------------------------------
                Managing Member


        SBTV IV LLC

        By: /s/ Gary E. Rieschel
            ----------------------------------
                Managing Member


           /s/ Gary E. Rieschel
           ----------------------------------
               Gary E. Rieschel


           /s/ Charles E. Lax
           ----------------------------------
               Charles E. Lax


           /s/ Bradley A. Feld
           ----------------------------------
               Bradley A. Feld


           /s/ Matthew A. Ocko
           ----------------------------------
               Matthew A. Ocko



                               Page 14 of 17 pages

   15

           /s/ E. Scott Russell
           ----------------------------------
               E. Scott Russell



           /s/ D. Rex Golding
           ----------------------------------
               D. Rex Golding


           /s/ J. Heidi Roizen
           ----------------------------------
               J. Heidi Roizen


                               Page 15 of 17 pages

   16

                                    EXHIBIT A
                            AGREEMENT OF JOINT FILING

       We, the undersigned, hereby express our agreement that the attached
                     Schedule 13G is filed on behalf of us.

        Date:  February 12, 2000

        SOFTBANK TECHNOLOGY VENTURES IV L.P.

By:     STV IV LLC
        its general partner

By:        /s/ Gary E. Rieschel
           ----------------------------------
               Managing Member


        SOFTBANK TECHNOLOGY ADVISORS FUND L.P.

By:     STV IV LLC
        its general partner

By:        /s/ Gary E. Rieschel
           ----------------------------------
               Managing Member


        SBTV IV LLC

By:        /s/ Gary E. Rieschel
           ----------------------------------
               Managing Member


           /s/ Gary E. Rieschel
           ----------------------------------
               Gary E. Rieschel


           /s/ Charles E. Lax
           ----------------------------------
               Charles E. Lax


           /s/ Bradley A. Feld
           ----------------------------------
               Bradley A. Feld


           /s/ Matthew A. Ocko
           ----------------------------------
               Matthew A. Ocko


           /s/ E. Scott Russell
           ----------------------------------
               E. Scott Russell


                               Page 16 of 17 pages

   17
           /s/ D. Rex Golding
           ----------------------------------
               D. Rex Golding


           /s/ J. Heidi Roizen
           ----------------------------------
               J. Heidi Roizen


                               Page 17 of 17 pages