The reaction from online privacy protection groups was immediate and substantial. The FTG launches an investigation, the Internet’s privacy issues e-mail lists and chat room buzzed with furious conversation and, in the end, DoubleClick abandoned its plans to integrate its cookie-generated data with the identity information in the Abacus database. Although DoubleClick is still one of the largest banner advertising networks, it had been counting on generating revenue by using the information in the combined database that it was unable to create.