Oral-B debuted its Smart Series of connected toothbrushes last year, and at Mobile World Congress 2016, the company announced a new model. The Oral-B Genius touts Position Detection tech that uses motion sensors and your phone's camera to track your oral hygiene. Those bells and whistles keep tabs on location, pressure and brushing time to offer feedback on how well you're cleaning your teeth. All of those details come to you through the companion app on your trusty handset. In fact, there's a holder that comes with the high-tech toothbrush so you can put your phone on the mirror in front of you while brush.