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Now Playing: 05-29-12 Marketplace Tech Report

How many minutes did you spend online yesterday? How many hours did you sleep last night? How much water have you had today, like, in ounces? Those and other quantifiable answers are at the heart of a movement known as The Quantified Self. It's an online hub for people looking to add up their own numbers and figure out what to do with the totals. Also, in Tech Report Theater, we play with the app-based photo sharing service Instagram, recently purchased by Facebook for a billion dollars, and Facebook Camera, a new photo sharing app from Facebook.