Of course this assumes that users would want to migrate their data to a replacement service. Or, for that matter, that users would share their tags with resear

Of course this assumes that users would want to migrate their data to a replacement service. Or, for that matter, that users would share their tags with researchers who build on social tagging data: http://groups.google.com/group/get-theinfo/browse_thread/thread/52b5c35edcc2dafe http://groups.google.com/group/get-theinfo/browse_thread/thr... Here is a (scraped?) delicious data set, for those who are interested: http://arvindn.livejournal.com/116137.html http://arvindn.livejournal.com/116137.html