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Now Playing: 5-6-13 Marketplace Tech: 3D printers at Staples and the future of free speech online

If you make office supplies, you know you've arrived when your product hits the shelves at Staples. The retail chain says it will start carrying the Cube 3D printer made by 3D Systems. You can buy the Cube 3D online at Staples.com now, or wait until it hits stores in June. And, this week we'll be talking about the near-future of tech -- not flying cars and terminators, but what's coming in the next decade. Today, a conversation about free speech online. A year ago, George Washington Law Professor Jeffrey Rosen went to a hush-hush meeting at Stanford that dealt with censorship. It was full of academics, international government representatives, and a small group of young techies from companies like Twitter and Google.