Just started watching and Maryland police cars automatically photgraph and read license plates and enter into database. They can retrieve the information at a later time and determine where you were. Other security cameras do the same thing. On vacation and take a picture of the Washington monument, you are doing a suspicious activity and can be taken into custody for question. That is but one aspect of suspicious acitivity. Ike warned of the Military Industrial Complex but now it is the Terrorism Industrial Complex we have to worry about. Check it out, it is on PBS right now on the east coast.