Colgate's latest AI-powered smart toothbrush starts at $50 - Engadget

Called “hum by Colgate,” it’s a smart toothbrush that’s more affordable. In general, smart toothbrushes aren’t necessarily better than regular run-of-the-mill electric toothbrushes. https://www.engadget.com/colgate-hum-smart-toothbrush-hands-on-120049179.html