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What does the What's Up app do?

A:

Quick Answer

WhatsApp Messenger is a mobile messaging application that allows users to send messages to each other using an Internet data plan, rather than through a cellular network. In addition to text messages, users can send images, videos, audio media and location information that uses an integrated mapping feature.

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Full Answer

WhatsApp's cross-platform service works with smartphones and certain Internet-based feature phones, including iPhone, Android and BlackBerry devices. WhatsApp was founded in 2009 by two former Yahoo! employees in Mountain View, Calif. In early 2014, Facebook announced its acquisition of WhatsApp for $19 billion. As of November 2014, WhatsApp was the most popular messaging app worldwide, with more than 600 million users.

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