Free cash flow is defined as cash flow from operating activities less capital expenditures. In addition, for the quarters ended June 30, 2002 and December 31, 2003, free cash flow also included change in long-term deferred revenue and Overture receivable settled through acquisition, respectively. Change in long-term deferred revenue represented cash payments received in advance of revenue recognized. Overture receivable settled through acquisition represented a Yahoo! accounts receivable balance owed from Overture that was settled as part of the acquisition. We consider free cash flow to be a liquidity measure which provides useful information to management and.