File compression with Zip, cell phone privacy (digital networks are encrypted), password storage (LastPass vs browser cache), disk size arithmetic, transfering files to new Win7 laptop, Profiles in IT (Phillip Walter Katz, creator of PKZIP), technology job trends (social media, big data, jQuery, Platform as a Service, Hadoop, San Jose and Washington DC top cities), worst passwords of 2012 (password, 123456, iloveyou, plus more), Gmail tips (dots and case are ignored), impolite Wi-Fi network names used to communicate with neighbors, and big data to create 4.4 million jobs by 2012 (cloud, mobile devices, social media, data mining).

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