A look at the first version of Foursquare, released four years ago today.(blog.foursquare.com)
blog.foursquare.com
A look at the first version of Foursquare, released four years ago today.
http://blog.foursquare.com/2012/11/16/the-first-prototype-of-foursquare-ever-presented-4-years-ago-today/
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