Detailed text transcripts for TV channel - CNN - 20110421:09:22:00
Known publicly on facebook, we might start serving her up ads about wedding flowers. >> reporter: that kind of information posted can be profitable for facebook and advertisers. some privacy watchdog groups are raising a red flag. jeff chester is the director of the center for digital democracy. >> what makes facebook different and one of the reasons we are concerned about it in terms of protecting privacy is facebook is not only tracking what you do on your facebook page and your profile, but it's tracking and analyzing the communications between you and your friends and acquaintances. >> rep...