CITP Blog is hosted by Princeton University’s Center for Information Technology Policy, a research center that studies digital technologies in public life. Here you’ll find comment and analysis from the digital frontier, written by the Center’s faculty, students, and friends.
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I’m on the road today, so I don’t have a long post for you. (Good news: I’m in Rome. Bad news: It’s Rome, New York.) Instead, let me point you…
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Can P2P Nets Be Poisoned?
Christin, Weigend, and Chuang have an interesting new paper on corruption of files in P2P networks. Some files are corrupted accidentally (they call this “pollution”), and some might be corrupted…
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Google AutoLink: Doesn't Cross the Line, Yet
Google’s new Toolbar includes a feature called AutoLink that adds hyperlinks to certain content in Web pages. For example, if it spots a street address in the page, it hyperlinks…
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Broadcast Flag in Court
Tomorrow the DC Circuit will hear arguments in the case challenging the FCC’s authority to impose the Broadcast Flag regulation. The case will determine whether the FCC can control the…
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More on the Cato DRM Paper
I wrote yesterday about the new Cato Institute paper on the economics of peer-to-peer and anti-copying technology, which argues that everything will be okay in the online-music market because competition…
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How Competitive is the Record Industry? A Natural Experiment
Derek Slater, responding to the recent Cato paper on DRM technologies, raises an important question: How competitive is the record industry? The Cato paper argues that market competition will blunt…
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Macrovision Tries Passive Anti-Copying Technology for DVDs
Macrovision is introducing a new DRM technology for DVDs, apparently based on passive changes to the data encoded on the disc, according to a news.com article by John Borland. (The…
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Student Writing Blog: "Information Technology and the Law"
This semester, I’m teaching “Information Technology and the Law”. We’re reading a series of articles and court decisions on important techno-legal issues. I’ve created a student writing blog, on which…
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Lawrence Lessig, Unmasked
We’re watching this week’s episode of West Wing. On the TV screen, Professor Lawrence Lessig starts talking. “I know that voice,” exclaims my wife. “It’s The Hacker!” On West Wing,…
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Tagging Technology
Bruce Schneier points to a new product Smart Water. Each bottle has its own unique tag, and the water in it contains tagging elements (e.g., microdots), that will stick to…