In his 2006 thriller, Rainbow's End, author Vernor Vinge imagined a near future when people use high-tech contact lenses to interface with computers in their clothes. Google plans to make at least some of it a reality later in 2012 with the launch of what are known as augmented reality glasses.
Four major universities — Stanford, Princeton, the University of Pennsylvania and University of Michigan — are joining forces with a startup called Coursera to offer free online classes in more than three-dozen subjects. The professors involved hope this kind of online interaction transforms higher education.
Before Facebook and MySpace transformed how we interact online, there was another kind of Internet: the SDF network, made up of users connecting via phone lines and code. Around the world, 30,000 computing enthusiasts still use that network today.
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