's MySpace and Time Warner 's AOL could theoretically take their business away from DoubleClick as well, given that Google has begun transforming into a rival publisher via sites like YouTube and its Blogger network.
At that time, the Federal Trade Commission investigated the merger of the online-ad company DoubleClick Inc. with a traditional mailing-list giant, Abacus Direct, over concerns that Abacus would merge its lists of people's real names and addresses with DoubleClick's Web-browsing profiles.