Hidden iOS 7 Feature Lets You Chat Without Internet

FireChat is a messaging app that lets you chat with others without a connection -- Internet or cell. Thanks to an iOS 7 feature called Multipeer Connectivity Framework (MCF), the app tethers you to devices around you and sends messages directly via Bluetooth and Wi-Fi Direct. As its name suggests, the Multipeer Connectivity Framework (also known as mesh networking) makes use of multiple iOS 7 devices (or "peers") and creates bridges between them.

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