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In this Thursday, July 18, 2013, photo, information technology professional Josh Scott, left, helps a computer user who did not want to be identified during a monthly "Cryptoparty" in Dallas. Across the Internet, users are talking about changes small and large, from using more encryption and stronger passwords to much more extreme measures such as ditching cellphones and using cash over credit cards. The conversations play out daily on Reddit, Twitter and other networks, and have spread to offline life with so-called “Cryptoparty” gatherings in cities including Dallas, Atlanta and Oakland, Calif.

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In Louisiana, the wife of a former soldier is scaling back on Facebook posts and considering unfriending old acquaintances, worried an innocuous joke or long-lost associate might one day land her in a government probe. In California, a college student encrypts chats and emails, saying he's not planning anything sinister but shouldn't have to sweat snoopers. And in Canada, a lawyer is rethinking the data products he uses to ensure his clients' privacy.

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