> someday we'll sell the edges of our peripheral vision for ad space in lieu of a universal basic income
Meta and RayBan are working on that and not far: the RayBans "Meta take a picture" / "Meta take a movie" are a thing. And I doubt very much that it's done with good motives.
No HUD yet but they've already got a microphone to analyze your voice (for good reasons, we're sure) and speakers.