Ever walk into a room and wonder if you have anything in common with anyone there? Sonar shows you how you are connected to the people around you by analyzing your Foursquare, Facebook, and Twitter networks.

Sonar helps you discover how you are connected to the people in any room. It uses publicly available profile information on your Foursquare, Facebook and Twitter accounts to find common connections. It also helps facilitate conversations by highlighting shared friends, networks and interest.

Sonar helps you discover and connect with:
– Friends and friends of friends
– Twitter friends and followers
– Business contacts and colleagues
– Fellow alumni
– Likeminded singles

Sonar works at:
– Conferences and meetups
– Concerts and events
– Bars and cafes
– Airports and parks


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Thomas Oppong is the founder @Alltopstartups.