<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
FINANCIAL STATEMENTS FOR THE YEARS ENDED DECEMBER 31, 1998 AND 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1999
<PERIOD-START>                             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               DEC-31-1998             DEC-31-1999
<CASH>                                           1,642                  18,073
<SECURITIES>                                    14,224                  23,353
<RECEIVABLES>                                    2,191                   5,463
<ALLOWANCES>                                     (356)                   (571)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                18,266                  49,345
<PP&E>                                           2,865                   6,452
<DEPRECIATION>                                   (997)                 (2,176)
<TOTAL-ASSETS>                                  20,199                  53,722
<CURRENT-LIABILITIES>                            5,860                  15,438
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                         15                      20
<COMMON>                                             3                       3
<OTHER-SE>                                      14,242                  36,928
<TOTAL-LIABILITY-AND-EQUITY>                    20,199                  53,722
<SALES>                                         11,755                  19,567
<TOTAL-REVENUES>                                11,755                  19,567
<CGS>                                            3,099                   5,460
<TOTAL-COSTS>                                    3,099                   5,460
<OTHER-EXPENSES>                                16,192                  33,256
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               (598)                   (697)
<INCOME-PRETAX>                                (6,938)                (18,452)
<INCOME-TAX>                                         0                      22
<INCOME-CONTINUING>                            (6,938)                (18,474)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (6,938)                (18,474)
<EPS-BASIC>                                     (3.19)                  (6.32)
<EPS-DILUTED>                                   (3.19)                  (6.32)