Foursquare is a technology company that uses location intelligence to build meaningful consumer experiences and inform business decisions. They have two mobile apps: Foursquare and Swarm. Foursquare is a location data platform that powers location-based experiences for more than 1 billion people around the world. Swarm is a social check-in app that allows users to share their location with friends and family. Foursquare was founded in 2009 by Dennis Crowley and Naveen Selvadurai. The company is headquartered in New York City and has offices in San Francisco, Los Angeles, London, and Singapore.