Cops or federal agencies can attach GPS units to your car,search it without a warrant ,peer at you from the street and now the sky with zoom lenses,monitor your electric and water usage for "suspicious" patterns,monitor your communications,see your medical records,what library books you read...
Isn't it WONDERFUL to live in a FREE country like the U.S. of A. ?!
See post #17. I think these things are largely intended for patrolling the undeveloped areas to the South and West.