If the government demanded that we all carry tracking devices 24/7, we would rebel. Yet we all carry cell phones… If the government demanded that we give them access to all the photographs we take, and that we identify all of the people in them and tag them with locations, we’d refuse. Yet we do exactly that on Flickr and other sites. Bruce Schneier, chief security technology officer for British Telecom
See also: The Internet Is a Surveillance State and Beware Trading Privacy for Convenience.