2009
01
January
Foursquare was launched in 100 worldwide metro areas.
2010
01
January
The company changed the location model to allow check-ins from any location worldwide.
2010
01
September
Foursquare announced version 2.0 of its check-in.
2011
21
February
Foursquare reached 7 million users.
2011
08
August
President Barack Obama joined Foursquare, hoping the white house staff would use the service to post tips from places the president has visited.
2012
07
June
Foursquare launched a major redesign.
2014
01
April
Foursquare launched Swarm, a companion app to Foursquare City Guide.
2014
07
August
Foursquare launched Foursquare 8.0, a new version of the service which removed location-sharing and check-in features, turning to local search instead.