There's been some fascinating developments in this area in just the past few days. MySpace is now releasing similar data commercially through Infochimps:<p><a href="http://www.readwriteweb.com/archives/myspace_bulk_data.php" rel="nofollow">http://www.readwriteweb.com/archives/myspace_bulk_data.php</a><p>NetFlix get slammed by the FTC:<p><a href="http://blog.netflix.com/2010/03/this-is-neil-hunt-chief-product-officer.html" rel="nofollow">http://blog.netflix.com/2010/03/this-is-neil-hunt-chief-prod...</a><p>and Arvind & co summarize the latest research on why anonymization is (mostly) broken as a security measure:<p><a href="http://33bits.org/2010/03/15/open-letter-to-netflix/" rel="nofollow">http://33bits.org/2010/03/15/open-letter-to-netflix/</a><p>Big Data is getting bigger...