Minority Report anyone? Redpepper put this together. Check them out here.
Facedeals let you check in with your face
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Is Foursquare social?
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For those of you living under a VERY large rock; Foursquare is a game that allows users to check-in to physical locations,with their mobile device to earn points and attain badges. There are of course, other things that you can do with Foursquare. As a user, you can add a tip or “shout” it out. Except for competing against your peers, to earn points/badges, Foursquare isn’t...