[KaiserPro]

I was about to come and say the same thing.

Its perfectly possible to create feature descriptors for 60gig radar, and use it to image rooms, things and possibly people.

Its a privacy problem we currently are trying to overcome in AR. The problem is that because feature descriptors are so small, researchers assume that they don't contain PII. So its going to take a scandal before its taken seriously.

Given that most of FAANG are making some sort of 3d map, I'm sure we are going to get pictures of people's bedrooms leaking soon enough.

[mjmj]

Not to the same degree but roomba seemed to survive mapping peoples houses privacy problems, and everyone seems to love Alexa. The general public prefers features over privacy.

[KaiserPro]

They certainly do, up to the point when they start to see the downsides.

Facebook for example. It took a few years, but people are now wary of information being grabbed by them.