Amazon's holiday bestsellers include smart plugs and toothbrushes
There were some real head-scratchers among the hits.
Battery-free toothbrush is powered with a twist
Brush your teeth properly without the need to plug in or toss batteries.
Engadget Podcast Ep 21: Ooh Las Vegas
The team's first dispatch from the desert at CES 2017.
The Kolibree smart toothbrush uses AI to help you clean your mouth
It tracks and provides personalized reports on how well you're scrubbing.
Even smart toothbrushes have AI now
Kolibree's Ara uses deep learning to analyze your brushing habits.
The Prophix smart toothbrush will film the inside of your mouth
The Internet of Things is coming to your tonsils.
A smart toothbrush just won Intel's maker-themed reality show
The product's three inventors will share a $1 million prize.
Scrubbing with a toothbrush that knows when you missed a spot
Oral-B is making smart toothbrushes smarter.
Oral-B's new smart toothbrush tracks movement with your phone
Cellphone cameras and motion sensors create high-tech oral hygiene.