Brightkite

Brightkite is a real-time location-based social network to check-out people near you, see what your friends are up to, and post photos & notes. Recognized by MacWorld and BusinessWeek as the best user experience of all mobile social products. Works on any mobile phone. And connects Brightkite with Facebook through your Wall and friend's News Feeds.

What is new in this release:

Limbo and Brightkite have merged to form the largest location-based social discovery service. The combined entity will have more than 2 million unique monthly users. The company, which will use the Brightkite brand, will focus on its combined service that helps friends increase face time and share real world experiences.