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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Over the past two days we have seen that filesharing is vulnerable to spamming, and that as a defense, the filesharers have used the IP block list to exclude the…
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A Freedom-of-Speech-based Approach To Limiting Filesharing – Part II: The Block List
On Wednesday we discussed the open structure of filesharing and its resulting vulnerability to spam. While there are some similarities between e-mail and gnutella spam, the spoof files have no…
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A Freedom-of-Speech Approach To Limiting Filesharing – Part I: Filesharing and Spam
[Today we kick off a series of three guest posts by Mitch Golden. Mitch was a professor of physics when, in 1995, he was bitten by the Internet bug and…
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If You're Going to Track Me, Please Use Cookies
Web cookies have a bad name. People often complain — with good reason — about sites using cookies to track them. Today I want to say a few words in…
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Thoughtcrime Experiments
Cosmic rays can flip bits in memory cells or processor datapaths. Once upon a time, Sudhakar and I asked the question, “can an attacker exploit rare and random bit-flips to…
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Assorted targeted spam
You can run, but you can’t hide. Here are a few of the latest things I’ve seen, in no particular order. On a PHPBB-style chat board which I sometimes frequent,…
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CITP Announces 2009-10 Visitors
Today, I’m pleased to announce CITP’s visitors for the upcoming academic year. Deven R. Desai, Visiting Fellow: Deven is an Associate Professor of Law at the Thomas Jefferson School of…
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Did the Sanford E-Mail Tipster or the Newspaper Break the Law?
Part of me doesn’t want to comment on the Mark Sanford news, because it’s all so tawdry and inconsistent with the respectable, family-friendly tone of Freedom to Tinker. But since…
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U.S. Objects to China's Mandatory Green Dam Censorware
Yesterday, the U.S. Commerce Secretary and Trade Representative sent a letter to China’s government, objecting to China’s order, effective July 1, to require that all new PCs sold in China…
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My Testimony on Behavioral Advertising: Post-Mortem
On Thursday I testified at a House hearing about online behavioral advertising. (I also submitted written testimony.) The hearing started at 10:00am, gaveled to order by Congressman Rush, chair of…