Comcast acquires Plaxo, your set-top box wants to meet your friends

Assuming you're not Twitter, Facebook and Pownce'd to death already, Comcast is bringing the social network universe straight to your set-top box. This morning it announced the purchase of Plaxo, the company already behind Comcast's universal address book due later this year. By tying together TV plus online parts like Fandango and Fancast, it aims to ease sharing media between your various devices, family and friends. Add in tru2way app possibilities, and the future of our DVR looks increasingly networked (and a bit complicated.)