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Now Playing: 07-19-12 Marketplace Tech Report

AT&T has announced a new plan called Mobile Share, which lets you connect up to 10 devices on the same account. So if your family has five smartphones and a couple tablets, they could all be on one plan. Phone calls and text messages are unlimited, the data for your emails and videos and Facebook updates, that's capped -- and that's where AT&T will get you. Plus, according to recent studies, Facebook is losing popularity.