> alarm has been sounded since the android Facebook app required motion sensor permissions in android 4.

Serves as a useful reminder that just because someone may not care if these companies collect this data now, they are storing it, sometimes indefinitely, and as technology advances, will be able to make more use of it than they were at the time you agreed to share it with them.

It's like all the ransomware gangs hoarding the encrypted data they stole, waiting for a quantum computing breakthrough to be able to decrypt it.

Not sure what to do about it, if anything, but the average person is severely under-equipped and undereducated to deal with this and protect themselves from the levels of surveillance that are soon to come.