Facebook’s Mantra: Use Facebook Connect or Don’t Connect at All

Want access to Facebook’s user base, which has now cracked 150 million? Then you’re going to need to play by Facebook’s rules. Last week Facebook sued Power.com, a social network aggregator, because the company allowed Facebook users to plug into the site without actually visiting Facebook itself. Today, instant-messaging aggregator Meebo is unplugging itself from Facebook rather than face the same kinds of legal problems.