No system of mass surveillance has existed in any society that we know of to this point that has not been abused.
- Edward Snowden
Edward Joseph Snowden is an American fugitive, a former Central Intelligence Agency (CIA) employee, and former contractor for the United States government who copied and leaked highly classified information from the National Security Agency (NSA) in 2013. His disclosures revealed numerous global surveillance programs, many run by the NSA and the Five Eyes Intelligence Alliance with the cooperation of telecommunication companies and European governments. (Wikipedia)