It seems like the ongoing rivalry between Facebook and Google has taken a turn for the subversive. Last night, a spokesman for the social network confirmed to the Daily Beast that Facebook paid a top PR firm to spread anti-Google stories across the media and to encourage various outlets to examine allegations that the Mountain View company was violating user privacy. The PR firm, Burson-Marsteller, even offered to help blogger Chris Soghoian write a critical op-ed piece about Social Circle -- a service that allows Gmail users to access information on so-called "secondary connections," or friends of their friends. Social Circle, in fact, seems to have been at the epicenter of Facebook's smear campaign. In a pitch
