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.
And they sell the data from them as a secondary revenue stream. Not just Ring doorbells, too: IoT security cameras are all over Shodan.