SheenOnline

Foursquare and Yelp Got Beef? On the 15th, Yelp stepped into Foursquare’s arena, introducing a location check-in feature in it’s new iPhone app. Competition is usually a good thing though, pushes innovation. In this case, it looks like Yelp did a little more than provide some competition. In a post on his Tumblr blog, Foursquare co-founder [...]

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