Colgate Hum Review: A Smart Toothbrush That Nails App-Guided Brushing

I had just about given up on smart toothbrushes when the especially cute Colgate Hum arrived at my door. Over the last few years, it seems that the toothbrush companies got together and decided we should all start shelling out several hundred dollars for brushes with internet-connected capabilities. The problem—besides the fact that you can […]