v3rgEz writes "Even as some police departments curtail their use of license plate scanning technology over privacy concerns, private companies have been amassing a much larger, almost completely unregulated database that pulls in billions of scans a year, marking the exact time and location of millions of vehicles across America. The database, which is often offered to law enforcement for free, is collected by repo and towing companies eager to tap easy revenue, while the database companies then resell that data, often for as little as $25 for a plate's complete recorded history."
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