Foursquare CEO and cofounder Dennis Crowley visited Facebook on his recent swing through the Valley.

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Foursquare CEO and cofounder Dennis Crowley is a South By Southwest veteran, having launched his location-based check-in app at the conference in 2009.

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For his part, Foursquare CEO and cofounder Dennis Crowley spent all last week meeting with all the big name companies in the Valley, including Apple, Facebook, and Twitter.

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