A Dirt Savvy Vacuum That Greenlights a Clean Floor

It's easy to tell when hardwood floors are clean, but it's not so obvious when it comes to carpets. Who knows how much dust, dirt, and debris are hidden amongst those fibers? So instead of randomly running a vacuum over every inch of your living room, hoping it's clean, Samsung's new Motion Sync vac tells with an… » 9/04/13 2:21pm 9/04/13 2:21pm