<ARTICLE>                     5
<LEGEND>
This schedule contains consolidated summary financial information extracted from
Form 10-Q for the quarterly period ended September 30, 1999 and is qualified in
its entirety by reference to such financial statements.
</LEGEND>


                                             
<PERIOD-TYPE>                                         9-MOS
<FISCAL-YEAR-END>                               DEC-31-1999
<PERIOD-START>                                  JAN-01-1999
<PERIOD-END>                                    SEP-30-1999
<CASH>                                           72,319,000
<SECURITIES>                                     89,181,000
<RECEIVABLES>                                             0
<ALLOWANCES>                                              0
<INVENTORY>                                               0
<CURRENT-ASSETS>                                166,683,000
<PP&E>                                            7,290,000
<DEPRECIATION>                                   (2,123,000)
<TOTAL-ASSETS>                                  171,850,000
<CURRENT-LIABILITIES>                            25,512,000
<BONDS>                                              43,000
<PREFERRED-MANDATORY>                                     0
<PREFERRED>                                               0
<COMMON>                                             38,000
<OTHER-SE>                                      146,257,000
<TOTAL-LIABILITY-AND-EQUITY>                    171,850,000
<SALES>                                                   0
<TOTAL-REVENUES>                                          0
<CGS>                                                     0
<TOTAL-COSTS>                                             0
<OTHER-EXPENSES>                                 77,920,000
<LOSS-PROVISION>                                          0
<INTEREST-EXPENSE>                                        0
<INCOME-PRETAX>                                 (73,423,000)
<INCOME-TAX>                                              0
<INCOME-CONTINUING>                             (73,423,000)
<DISCONTINUED>                                            0
<EXTRAORDINARY>                                           0
<CHANGES>                                                 0
<NET-INCOME>                                    (73,423,000)
<EPS-BASIC>                                         (2.34)
<EPS-DILUTED>                                         (2.34)