It’s been a wild year for Foursquare: A couple of years ago, they were nothing more than an odd fad among certain tech-obsessed urbanites. Did you ever think people would get kicks from checking in to locations using their smartphones, the human equivalent of dogs peeing on lampposts? Maybe we’re not so different from neighborhood mutts checking their pee-mail. We’re social creatures.
via Infographic: How Foursquare Grew 3400% in One Year | Co.Design.