Social networks aiming to change the way we communicate are everywhere. Messaging applications that want to do it all are also spreading like wildfire. With Facebook, WhatsApp, and Snapchat taking a big piece of the cake, it's hard for a service to differentiate itself, but Airtime manages to do just that.

The app started 4 years ago as a web service, but faced lots of technical difficulties so its founder Sean Parker shut it down and started working in the background on something better. Now Airtime is launching on both iOS and Android and it's doing a lot of cool things.

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