[shadowgovt]

Amazon has an entire grocery store experiment that utilizes this is a core element of the experience.

It seems to be getting largely positive reviews from its users.

> The desire to not have PiD stored by anyone should be reason enough to close the debate.

Why? There is an open question of societal benefit versus personal benefit regarding how PID is tracked and used, to say nothing of the actual ownership of that PID (if you walk into a store's private property and their security cameras record an image of your face while you're standing in their private property, do you own that image? Why should you? You're in their property and it was recorded with a camera they own on to media they own).