
Not every device needs to be smart. Do you really want your toaster texting you when your bread burns? But Withings and Kérastase—L’Oréal’s professional products—have developed a smart hairbrush that can tell you more about the health of your locks than your hairdresser can.
Source: Gizmodo – L’Oréal’s Smart Hairbrush Knows More About Your Hair Than Your Salon Does