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Jessica Lee at Inside Facebook wrote How Will Facebook Connect Affect Online Dating, which dovetails nicely with my argument that Facebook could start a dating site that would kill off the majority of online dating sites overnight.

People are increasingly moving to applications that leverage the identity they’ve already created inside social networks like Facebook and MySpace – not to mention mobile.

…In 2009, technology has marched on to bring the social graph to dating sites. We’re looking forward to seeing how big of an impact these new services make.

Me too. The social graph is where it at, and the only ones talking about it at iDate were the social dating sites like Zoosk and Are You Interested.

MatchMatrix has a Facebook dating application that launched at iDate LA and there are a few others. I’m keeping an eye on their progress.

Update: I didn’t know that Chemistry uses Facebook Connect, when did that happen? As a member I never received notice that they offered the option.