<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS IN THE ANNUAL REPORT ON FORM 10-K OF CMGI, INC. FOR THE PERIOD ENDED JULY 31, 2000 AND JULY 31, 1999 AND IS QUALIFIED IN ITS ENTIRETRY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS 12-MOS <FISCAL-YEAR-END> JUL-31-2000 JUL-31-1999 <PERIOD-START> AUG-01-1999 AUG-01-1998 <PERIOD-END> JUL-31-2000 JUL-31-1999 <CASH> 639,666 468,912 <SECURITIES> 1,595,011 1,532,327 <RECEIVABLES> 232,104 41,794 <ALLOWANCES> 34,618 3,034 <INVENTORY> 0 0 <CURRENT-ASSETS> 2,571,875 2,057,334 <PP&E> 259,270 24,832 <DEPRECIATION> 0 0 <TOTAL-ASSETS> 8,557,107 2,404,594 <CURRENT-LIABILITIES> 1,461,770 676,329 <BONDS> 0 0 <PREFERRED-MANDATORY> 383,140 411,283 <PREFERRED> 0 0 <COMMON> 2,965 1,912 <OTHER-SE> 5,782,837 1,060,549 <TOTAL-LIABILITY-AND-EQUITY> 8,557,107 2,404,594 <SALES> 898,050 186,389 <TOTAL-REVENUES> 898,050 186,389 <CGS> 737,264 179,553 <TOTAL-COSTS> 737,264 179,553 <OTHER-EXPENSES> 2,350,593 133,495 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 56,617 4,371 <INCOME-PRETAX> (1,485,866) 749,245 <INCOME-TAX> (121,173) 325,402 <INCOME-CONTINUING> (1,364,693) 423,843 <DISCONTINUED> 0 52,397 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (1,364,693) 476,240 <EPS-BASIC> (5.26) 2.54 <EPS-DILUTED> (5.26) 2.30