Foursquare is a location based (also know as Geo-location) social networking service.
Users “check-in” at physical venues/locations generally using internet based mobile applications. Much of Foursquare’s success has come from their iPhone application.
Foursquare also has applications for the has Android, BlackBerry, and webOS.
Users can also earn the ‘mayor’ title of a venue, which means they are the most frequent user.
Foursquare makes use of Amazon’s huge cloud computing infrastructure in the USA.
As of April 2010 Forsquare has close to 1 million users globally and rapidly expanding.
Yahoo Inc has been in talks with Foursquare to purchase the business for as high as $125 Million.
Web address: www.foursquare.com
Headquarters: New York City, New York, USA
Employees: Approx 20