Foursquare

Two years after raising funds that valued the company at $650 million, Foursquare has raised money again, this time at a value of $250 million.

Microsoft has announced a $15 million 'strategic investment' in location-based services startup Foursquare.

Microsoft is in advanced stage talks to invest in popular check-in service Foursquare.

Foursquare has raised $50 million more in a new round of funding, and the company says it will use that cash to expand internationally and build ......