Readit NewsThe hardware required for AR glasses to do what they are advertised to do (eg: translate street signs, overlay advertisements while you're trying to eat, etc) is sufficient to identify anyone walking by*.
Not hard to write software to display on the wearer's HUD, for example, random photos and social media posts of whoever enters their field of view.
*providing the other things in my comment are in place.
They literally blocked a useful feature (recognizing people you have already met) and promoted a feature nobody wanted (posting pictures of people without consent).
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In my experience traffic apps are imperfect and even dangerous:
- Waze sent me once to a shortcut via a very shady neighborhood
- Google drove me through an alley so narrow that I had to fold the side mirrors in order to pass
- Google twice tried to put me on a toll-road ramp that could only be used by electronic pass holders. As a tourist, I didn't have one.
That said, these apps provide huge value by telling you about road conditions (e.g. accidents) and routing you around them, estimating your ETA, and telling you how to get to your destination even if you miss a turn. I would not want to go back to the old way of navigating using paper maps and just hoping for the best...