Eric Walker added Mass Surveillance May Be Deployed Over U.S. Cities - The Atlantic to Articles in the Atlantic, Technology, surveillance and privacy and Persistent Surveillance Systems

Eric Walker added a number of topics to Businesses involved in surveillance, and added Businesses involved in surveillance to Technology, surveillance and privacy and Specific technology businesses

Eric Walker added Mass Surveillance May Be Deployed Over U.S. Cities - The Atlantic to Persistent Surveillance Systems, and added Persistent Surveillance Systems to Businesses involved in surveillance