Heck there are a lot of people who don't use TouchID on iPhones. There are a lot...

		MBCook on Sept 14, 2017 \| parent \| context \| favorite \| on: Face ID, Touch ID, No ID, PINs and Pragmatic Secur... Heck there are a lot of people who don't use TouchID on iPhones. There are a lot of people who don't use ANYTHING. I think you're right that the number of people who would use such a system is trivial (compared to sales).