"But it's the public space you can't expect any kind of privacy there, if you don't want private companies to do biometrics on your face from a rando glasses just don't go out :)" The open air panopticon, where every inmate is also the warden, gov salivates at the idea. (yes, yes, you're very smart, you, the reader: smartphones are already tracking and recording us everywhere. One more device, one more case isn't an issue anymore. So let's just keep adding them instead of trying to address them.)