Google's 2013 Zeitgeist includes Mandela, iPhones and a 3D trend map (video)

Google is back again with its annual list of the most popular searches of the year -- only this time, with a 3D twist. In addition to old-fashioned 2D charts, the internet giant's 2013 Zeitgeist includes a trend globe that lets you see what major cities were looking for on any given day. Google

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