The Lytro we received to demo is about four inches long. Claire O'Neill/NPR hide caption

itoggle caption Claire O'Neill/NPR

"We got the number of the Vatican and called the pope," Steve Jobs says of the first project he worked on with Steve Wozniak. Later, the two founded Apple Computer. hide caption

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More tech start-ups are now considering the City of Lights as a destination to grow and prosper. aimintang/iStock Photo hide caption

itoggle caption aimintang/iStock Photo