Sonar iOS App Uncover Hidden Connections Around You - A Mobile Profile for Local Social Networking

Have you ever checked in somewhere, seen a few other people checked in, and wondered how you might be connected to them? Sonar, a new iPhone, iPad, iPod Touch app, does that for you.It layers Facebook and Twitter connections atop your foursquare friends, so you can see who you know in common and how you're […]

Have you ever checked in somewhere, seen a few other people checked in, and wondered how you might be connected to them? Sonar, a new iPhone, iPad, iPod Touch app, does that for you.

It layers Facebook and Twitter connections atop your foursquare friends, so you can see who you know in common and how you're linked. So the next time you're at a crowded caf