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Now Playing: 1-15-13 Marketplace Tech: Aaron Swartz's Legacy, Java Problems, and Tactus' Amazing Tech

Java is all over the place, and now Homeland Security wants us to disable it. But how do we do that? We talk to Chester Wisniewski of Sophos. Meanwhile the arguments continue over famous Internet innovator Aaron Swartz's legacy. Swartz killed himself in the face of charges that he hacked a data center at MIT. Last, an amazing technology that could be the next big thing in tablets and smartphones: The magical appearing buttons made by Tactus.