2600 magazine's Emmanuel Goldstein sez, "The theme of the 2013 Hacker Calendar is surveillance, and there are 12x12 glossy photos for every month of our surveillance culture hard at work - airport security, the NSA, Menwith Hill, automobile monitoring, even cameras in trees. The cover photo depicts one of society's older surveillance tools: the peephole. In addition, nearly every day of the year is marked with some event or milestone of interest to the hacker community."

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