1 EXHIBIT 10.6 NETGRAVITY ADCENTER SERVICE AGREEMENT This AGREEMENT (the "Agreement") is made and entered into as of the date written above (the "Effective Date") by and between NETGRAVITY, INC., a Delaware corporation ("NetGravity"), having its...Adcenter Service Agreement • October 28th, 1999 • Zap Com Corp • Services-advertising • California
