David Jackson (left) and Dave Petrillo of Coffee Joulies brought in more than $300,000 using Kickstarter.com. Paul Agus/Courtesy of Coffee Joulies hide caption

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A portrait of David Quiring Sr. This is the first image that appears when you scan the QR code at his grave. See his QR website. Courtesy of Quiring Monuments hide caption

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President Obama, with Facebook CEO Mark Zuckerberg, speaks during a town hall meeting April 20 at Facebook headquarters in Palo Alto, Calif. Mandel Ngan/AFP/Getty Images hide caption

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Dan Pashman's Cheeseburger With Cheese On The Bottom. Jason Gardner /The Sporkful hide caption

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A selected series of tweets from April 16-17 show what police and Venice311, a neighborhood watch group, say was an effort to organize a flash mob in Venice Beach, Calif. A man was shot near the boardwalk where hundreds of people had gathered. NPR has obscured identifying information for individuals in the tweets. Venice311 hide caption

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LinkedIn CEO Jeff Weiner, center right with beard, and Reid Hoffman, center background with glasses, listen to traders during their company's listing on May 19 on the New York Stock Exchange. The company reached a market value of $9 billion last week, leading to fears of another dot-com bubble. Mark Lennihan/AP hide caption

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Players of the game L.A. Noire are represented by Cole Phelps (right), who has to find clues to solve a complex crime case in 1940s Los Angeles. Rockstar Games hide caption

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Personal finance websites allow their users to track even small expenses — such as coffee-shop visits — and set savings goals, like paying for a long vacation. PR Newswire hide caption

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A Verizon iPhone Mark Lennihan/AP hide caption

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