Location tracking based on interior pictures.
It will be abused to target people.
Post the inside your place at your peril. 
Discussion
just fyi…
Xfinity can map the inside of your house using wifi.
Everything within 5g signal range is not far behind.
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It’s here: when you use the internet you don’t open the world, you are open to a few in the world.
Imagine the terabytes of location/image data that was mined from Pokémon Go.