Today I learned my little town has 14 cameras that have spied on 167,157 different drivers in the last 30 days using surveillance as a service.
https://transparency.flocksafety.com/arlington-pd-wa
The company makes these "transparency portals" in an attempt to seem on the same level.
The reality is that they are selling solar-powered LTE-connected spy devices that allow law enforcement access to the data without a warrant. And possibly a lot more than law enforcement.
The company boasts that its tech can't be fooled by plate swapping:
"Identify vehicles by make, color, decals; transforming footage into actionable evidence. No plate required."
They take care of everything; you just gotta give them some of that sweet tax revenue:
"We service, maintain, and take care of your cameras bundled into one straightforward subscription fee."
And the worst part is I have no way to opt-out; I can't think of a defense against this that is practical and legal. 
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