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Charts & Graphs
Fifteen hundred years of industrial espionage.
The demise of spies.
Pop lyricists share their surveillance concerns.
Code names used by the NSA.
Agents in the field.
Secret messages, from Caesar to Snowden.
How to recruit an OSS agent.
Field instructions for agents of the Stasi, the secret police agency of the East German government.
Hidden messages, deceptive objects.
False flags and secret agendas.