<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 2,633 8,248
<SECURITIES> 0 0
<RECEIVABLES> 4,063 3,034
<ALLOWANCES> (395) (407)
<INVENTORY> 0 0
<CURRENT-ASSETS> 6,770 11,578
<PP&E> 3,455 3,997
<DEPRECIATION> (1,465) (1,992)
<TOTAL-ASSETS> 9,119 14,011
<CURRENT-LIABILITIES> 9,133 10,082
<BONDS> 0 0
0 0
9,378 14,858
<COMMON> 1,290 2,330
<OTHER-SE> (11,402) (13,843)
<TOTAL-LIABILITY-AND-EQUITY> 9,119 14,011
<SALES> 18,175 13,860
<TOTAL-REVENUES> 18,175 13,860
<CGS> 1,426 773
<TOTAL-COSTS> 1,426 773
<OTHER-EXPENSES> 23,682 15,991
<LOSS-PROVISION> 80 15
<INTEREST-EXPENSE> 140 62
<INCOME-PRETAX> (6,940) (2,827)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (6,940) (2,827)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (6,940) (2,827)
<EPS-BASIC> (0.52) (0.20)
<EPS-DILUTED> (0.52) (0.20)
</TABLE>