
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             JUL-01-1999             JAN-01-1999
<PERIOD-END>                               SEP-30-1999             SEP-30-1999
<CASH>                                          15,872                  15,872
<SECURITIES>                                    54,709                  54,709
<RECEIVABLES>                                    3,446                   3,446
<ALLOWANCES>                                   (1,676)                 (1,676)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                73,780                  73,780
<PP&E>                                          14,073                  14,073
<DEPRECIATION>                                 (5,230)                 (5,230)
<TOTAL-ASSETS>                                  86,806                  86,806
<CURRENT-LIABILITIES>                            9,053                   9,053
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            20                      20
<OTHER-SE>                                      72,495                  72,495
<TOTAL-LIABILITY-AND-EQUITY>                    86,806                  86,806
<SALES>                                          5,085                  12,487
<TOTAL-REVENUES>                                 5,085                  12,487
<CGS>                                            3,631                   9,075
<TOTAL-COSTS>                                    3,631                   9,075
<OTHER-EXPENSES>                                 8,638                  21,086
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 245                     635
<INCOME-PRETAX>                                (6,460)                (16,691)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            (6,460)                (16,691)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (6,460)                (16,691)
<EPS-BASIC>                                     (0.34)                  (1.38)
<EPS-DILUTED>                                   (0.34)                  (1.01)


</TABLE>
