![The Evolution of Foursquare: An Interview With Dennis Crowley](/content/images/size/w600/wordpress/2012/02/denniscrowley_foursquare.jpeg)
dennis crowly
The Evolution of Foursquare: An Interview With Dennis Crowley
Foursquare checked into our lives in 2009 and has rapidly grown its user base to 15-million, tripling in just over a year. And now the US-based service reports that just over half of its users reside overseas, largely in emerging market countries. The social network is a piece of innovation