The documentary "Erasing David" (2010) reveals how much detailed information the English government and private companies have access to regarding their citizens.

David Bond lives in one of the most intrusive surveillance states in the world. He decides to find out how much private companies and the government know about him by putting himself under surveillance and attempting to disappear, a decision that changes his life forever. Leaving his pregnant wife and young child behind, he is tracked across the database state on a chilling journey that forces him to contemplate the meaning of privacy and the loss of it.

Watch the full documentary: