Facebook Blockbuster: 6 Things To Know About WhatsApp

What's WhatsApp?

WhatsApp lets smartphone users exchange texts, images, videos and audio files without paying a per-message fee to either person's carrier. It's really that simple. Just download the free WhatsApp Messenger app for Android, BlackBerry, iPhone, Nokia or Windows Phone, sign up for the service by registering the mobile number and you're ready to route SMS and MMS messages over 3G, 4G or Wi-Fi to anywhere in the world for free. There are a few catches, though, so read on.

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