And voice input, if it works really well, adds value on a mobile device.

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Ms. REEVES: Well, generally, you know, people go in and they'll--they will have already recorded the songs in the studio and then you go to film and then you lip-sync, you know, so that it works really well, but George, you know, which--George Clooney.

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And it really works surprisingly well.

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Mr. LAMPING: Oh, it works out great because he lets us practice there, but at the same time it works well because you really want to go play music after a day of selling janitor supplies.

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"Search marketing works really well, but it takes lots of math, " says the petite, chirpy-voiced chief executive.

FORBES

And it keeps me wondering about what really works--what philanthropy does well, what government does well and what our "social policy" should be.

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Now if you really want to know exactly what 3DTV Play does help with, and how well it works, well you'll just have to click on through for that part.

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