TL;DR: Meta is beta testing advanced AI features on Ray-Ban Meta Smart Glasses. Beta testers in the US can opt-in for early access to features like camera aided visual translation/summarization of text and asking any questions related to the image or topic within a certain period of time. Meta plans to make it available to everyone next year.
No, they really aren’t, because they’re at a fixed location and are all monitored by different mega corporations.
The closest thing is Ring doorbells, and even those are only located at people’s doors.