Tune up (or tear down) your social networks’ app permissions

Pop quiz: Do you know to how many apps and web sites you've given permission to use your Twitter, Facebook, Google+, and others? Time to check.

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Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.
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