After two months of data collection, I was able to pick up a bunch of insights into the Hill household—what time they wake up, when they turn their lights on and off, when their child wakes up and falls asleep—but the weirdest one for me personally was knowing when Kashmir brushes her teeth. Her Philips Sonicare Connected toothbrush notifies the app when it’s being used, sending a distinctive digital fingerprint to the router. While not necessarily the most sensitive information, it made me imagine the next iteration of insurance incentives: Use a smart toothbrush and get dental insurance at a discount!

https://gizmodo.com/the-house-that-spied-on-me-1822429852