Foursquare: Check in, Find you friends & Lock your city

What is foursquare?

Are you familiar with Social Networking Application such as Facebook or Tweeter? If yes... It will be no problem to you to understand Foursquare because this apps also stayed in the same group as Facebook and Tweeter.   

Foursquare is a mobile application that makes cities easier to use and more interesting to explore. It is a friend-finder, a social city guide and a game that challenges users to experience new things, and rewards them for doing so. 

What we can do with it?
User can "check in" to a place when they're there, tell friends where they are and track the history of where they've been and who they've been there with.

For more information, go to Foursquare now!

Fyi... As of December 2010, foursquare had over 5 million users worldwide.