United States of secrets
Frontline investigates the secret history of the unprecedented surveillance program that began in the wake of September 11th and continues today. As big technology companies encouraged users to share more and more information about their lives, they created a trove of data that could be useful not s...
|Corporate Author:||Frontline Television News,|
|Other Authors:||Public Broadcasting Service (U.S.),|
[Place of publication not identified] :
[Publisher not identified],
1 videodisc (3 hr.) : sound, color ; 4 3/4 in.