There are two types of encryption: one that will prevent your sister from reading your diary and one that will prevent your government.
Civilization is the progress toward a society of privacy. The savage's whole existence is public, ruled by the laws of his tribe. Civilization is the process of setting man free from men.
The question isn't, 'What do we want to know about people?', it's, 'What do people want to tell about themselves?'
