Credit to Author: Jonny Evans| Date: Fri, 08 Nov 2019 06:17:00 -0800
Apple has published lots of information explaining how its newly introduced Sign in With Apple service solves a problem most of us didn’t know existed and which many of us would very much like to solve.
Who watches the watchmen?
Most social sign-in services act a little like people-tracking honey pots: You come to use a website or service and stay because the people providing the authorization use that moment to gather even more information about what you do.
What happens is that the persistent identity used by those services can be combined with other data to identify where you go, what you look for and more.