Tristan Walker founded Code2040, an internship program designed to bring Latino and black engineering undergrads to Silicon Valley. David Paul Morris/Bloomberg via Getty Images hide caption

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David Paul Morris/Bloomberg via Getty Images

Tech Star Wants To Make Diversity Plug-And-Play For Silicon Valley

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British science fiction author Arthur C. Clarke using a Kaypro II in 1985. AP/Metro-Goldwyn-Mayer/United Artists hide caption

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AP/Metro-Goldwyn-Mayer/United Artists

The Kaypro II: An Early Computer With A Writer's Heart

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Protesters in San Francisco block a Google bus, which shuttles employees from the city to its location in Silicon Valley. cjmartin/Flickr hide caption

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cjmartin/Flickr

Hackers? Techies? What To Call San Francisco's Newcomers

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Nick d'Aloisio displays his mobile application Summly, which Yahoo recently purchased for a reported $30 million. But the Internet company is killing the app and integrating the algorithm that drives it into its own technology. Matt Dunham/AP hide caption

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Matt Dunham/AP

The Songza app lets music lovers build playlists for almost any mood or situation, from "Unwinding After a Long Day" to "Cooking" or "Eating Dinner." iStockphoto.com hide caption

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iStockphoto.com

For Playlist Junkies, An App To Send You Down The Rabbit Hole

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Nearly everyone has a smartphone or tablet these days, but what should you do when it comes time to sit down for dinner? Sean Locke/iStockphoto.com hide caption

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Sean Locke/iStockphoto.com

Does Your Smartphone Go Next To The Salad Fork Or The Soup Spoon?

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New Yorker cartoonist Matthew Diffee tries his hand at illustrating the word "Travolta" using the Draw Something app. Courtesy of Matthew Diffee hide caption

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Courtesy of Matthew Diffee

Draw Something App Reveals The Artistic Chimp In Us All

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In January, the hacker group Anonymous staged a demonstration at a BART station in San Francisco after officials turned off cell phone service in its stations. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

The new concert experience: Is that digital device an impediment or an enhancement to your life? Fabrice Coffrini/AFP/Getty Images hide caption

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Fabrice Coffrini/AFP/Getty Images