A new survey shows that data retention laws influence the actual behavior of citizens in Germany. 11% had already abstained from single telecommunication acts, 52% would not use phone or e-mail for confidential contacts.
The problem with surveillance is not primarily that some bored officer might learn about some embarrassing private detail (although this is a problem as well). The fundamental problem with surveillance is that it changes people. People under surveillance behave differently than people who are not monitored - differently than free people.