<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM EARTHWEB
10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998
<PERIOD-START>                             JAN-01-1999             JAN-01-1998
<PERIOD-END>                               SEP-30-1999             DEC-31-1998
<CASH>                                          29,370                  25,579
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    3,661                   1,144
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                34,513                  27,265
<PP&E>                                           4,865                   2,069
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                  97,169                  30,477
<CURRENT-LIABILITIES>                           18,897                   3,559
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            98                      79
<OTHER-SE>                                      67,860                  26,773
<TOTAL-LIABILITY-AND-EQUITY>                    97,169                  30,477
<SALES>                                              0                       0
<TOTAL-REVENUES>                                 8,653                     944
<CGS>                                            3,078                     601
<TOTAL-COSTS>                                   14,784                   2,741
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 258                      42
<INCOME-PRETAX>                                (8,951)                 (2,356)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            (8,951)                 (2,356)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (8,951)                 (2,356)
<EPS-BASIC>                                     (0.93)                  (0.70)
<EPS-DILUTED>                                   (0.93)                  (0.70)