<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998
<PERIOD-START>                             JAN-01-1999             JAN-01-1998
<PERIOD-END>                               DEC-31-1999             DEC-31-1998
<CASH>                                      29,456,033              15,174,009
<SECURITIES>                               124,720,142              72,159,522
<RECEIVABLES>                                6,539,602               3,469,976
<ALLOWANCES>                                   677,960                 603,278
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                           185,549,140              94,459,977
<PP&E>                                       4,502,582               1,238,802
<DEPRECIATION>                               1,319,059                 422,703
<TOTAL-ASSETS>                             352,571,395             103,004,793
<CURRENT-LIABILITIES>                       20,944,145               8,117,694
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        10,145                   8,532
<OTHER-SE>                                 331,617,105              94,715,222
<TOTAL-LIABILITY-AND-EQUITY>               352,571,395             103,004,793
<SALES>                                              0                       0
<TOTAL-REVENUES>                            36,907,171               9,623,360
<CGS>                                                0                       0
<TOTAL-COSTS>                                5,259,043               1,634,726
<OTHER-EXPENSES>                            64,404,394              20,115,872
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                           (21,693,775)            (11,818,703)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                       (21,693,775)            (11,818,703)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                              (21,693,775)            (11,818,703)
<EPS-BASIC>                                      (.23)                   (.22)
<EPS-DILUTED>                                    (.23)                   (.22)