Finally, an open-source smart toothbrush with a subscription plan
 

If you ever thought to yourself, "Self, I need a crowdfunded toothbrush that tracks my oral activities," you're in luck. The folks at Goodwell estimate that we'll each go through some 300 toothbrushes over the course of our lifetime. As such, it...

http://www.engadget.com/2014/10/22/g...=rss_truncated