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VideoAI, give me the names of every face seen within X blocks of [riot, business, person of interest's home] between Y time and Z time.

Proximityai, give me the names of people who were in the x blocks between y and z time using WiFi and cell connectivity.

At least with Proximityai, you don't show up if you leave your cell phone at home when you go to a protest.

What if everyone just starts wearing masks?

The trick is that you don't have to watch it for the data to be useful.

I doubt they will be watched by people. Most likely, algorithms.