Bruce Schneier — American Scientist born on January 15, 1963,

Bruce Schneier is an American cryptographer, computer security and privacy specialist, and writer. He is the author of several books on general security topics, computer security and cryptography... (wikipedia)

It is poor civic hygiene to install technologies that could someday facilitate a police state.
People don't understand computers. Computers are magical boxes that do things. People believe what computers tell them.
I am regularly asked what the average Internet user can do to ensure his security. My first answer is usually 'Nothing; you're screwed'.
There are two types of encryption: one that will prevent your sister from reading your diary and one that will prevent your government.
You can't defend. You can't prevent. The only thing you can do is detect and respond.