Taking Control of Your Personal Data

How Your Data Tells Secrets (1x1)

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You probably know that anything you post on the internet is fair game; it can be used by advertisers, political parties, and others to target you with messages. Learn what else they use—from scratches on your camera lens in your pictures to a “like” from a friend-of-a-friend—to learn about you in unexpected detail and to predict your future behavior with surprising accuracy.