News Business Quirkiest innovations at Mobile World Congress: Smart bikes, Star Trek 'tricorders'

Quirkiest innovations at Mobile World Congress: Smart bikes, Star Trek 'tricorders'

Barcelona, Spain: The pervasive creep of the Internet from computers and phones to all kinds of objects is the theme of this year's edition of the Mobile World Congress wireless show.For those who couldn't join

BAD TEETH BEWARE

Brushing teeth has never been synonymous with fun.

But Oral-B has at least spiced it up a bit by making an enhanced electric toothbrush that works with an application on your smartphone.

The app times your brushing, with a graphic display showing which areas of the mouth to focus your efforts on. It warns you if you are brushing too hard.

A new version will allow you to program a plan recommended by a dentist, for example, to whiten teeth or protect damaged gums.

Already on sale in the U.S., it will be available in 56 countries in July.

The price for a perfect smile? Around $150.

Latest Business News