When I worry about privacy, I worry about peer-to-peer invasion of privacy. About the fact that anytime anything of any note happens, there are three arms holding cell phones with cameras in them or video records capturing the event ready to go on the nightly news, if necessary.

The increasing legal pressure against archives has created anxieties among researchers, librarians, and journalists. They cite the need to protect sources who wish to make a record for posterity; procuring documents and interviews from those sources will be difficult if the fruits are only one subpoena away from disclosure.

The problem is, we're moving to software-as-service, which can be yanked or transformed at any moment. The ability of your PC to run independent code is an important safety valve.

Jonathan Zittrain Quotes