I tend to like this idea as well, but struggle with how to make it privacy conscious in a way that satisfies everyone. As an example, I toss around with the id

I tend to like this idea as well, but struggle with how to make it privacy conscious in a way that satisfies everyone. As an example, I toss around with the idea of "localized recognition" a la I upload a contact and his/her photo, and therefore my AR tool can recognize the contact image using ML, but it's not uploaded to any central server in any meaningful way (outside of maybe certain metadata to update the underlying ML models.) But even then, some might find that creepy...