Tech journalist Madhumita Murgia shares the many ways our personal data is vulnerable to misuse-- and explains how we can protect our privacy. This talk was filmed at TEDxGateway. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.

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