What are some of the arguments both for and against the use of modern technology to gather increasing quantities of information about people as part of the effort to enhance personal security and homeland security?

The Frontline documentary brings into question both the legality and the
advisability of large-scale surveillance. What are some of the arguments both for and against the use of modern technology to gather increasing quantities of information about people as part of the effort to enhance personal security and homeland security?

Watch the Frontline Program: The United States of Secrets, Parts 1 and 2,

United States of Secrets

United States of Secrets

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