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The feature that made Waze more popular than Google maps until Google bought them was the crowdsourced identification of speed traps.
https://www.osm.org has the ability to log face traps (surveillance/facial recognition cameras). I have been mapping them as points of type: surveillance.
Some mobile mapping apps such as #OrganicMaps could show these features to help us know how to safely navigate around town. Edit your neighborhood maps.
Here is a map that shows surveillance cameras already. https://sunders.uber.space/
I can see that the Germans are working much harder than the Americans at logging these. The only cameras mapped in my town were done by me.