Let me start with Aaron Swartz's announcement of the launch of theinfo.org, "a new community site for people who work with large data sets." The site has three sections for those who work on tools to (a) get hold of large data sets (web crawling, etc), (b) process large data sets and (c) visualize them.
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Larry Lessig gives us the good news that his new book, The Future of Ideas is available under a Creative Commons Attribution-Noncommercial license. Which means you can download it from here.
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Wikipedia celebrated its birthday yesterday in an admirably understated way for a seven year old. There was just an entry in its "On this day" page for January 15.