Flock's cameras scan 20 billion license plates a month. Then someone posted one photo of the CEO's house, and it got blurred off Google Street View, Zillow, and Redfin within days. Garrett Langley went on Fox News in August and told Americans to compromise on privacy for safety. His company runs 100,000+ cameras across 49 states that log your car's make, model, location, even your bumper stickers. Every grocery run and school pickup, searchable by over 5,000 police departments. That's roughly…