Foursquare is a technology company that uses location data from its two mobile apps, Foursquare and Swarm, to provide location-based services. It allows users to check-in to locations and share their location with friends in real-time. More than 50 million people use the apps each month to check-in over 8 billion times worldwide. The company provides tools and data to help businesses learn more about their customers and promote their locations. It maps over 65 million business places around the world and has offices in New York, San Francisco, London, and Chicago with over 180 employees.