[Reference also in the Web2.0 Wiki] Well presented video by Professor Michael Wesch lookign at Web 2.0 from a point of view including how the web has changed from HTML to XML the differences, how this has helped mash-ups and changing the online community.
Description of Connotea a social bookmarking site for academics combining online storage of references and bookmarks, with tagging to allow for easy retrieval as well as other useful tools.
Full article by Tracy Caldwell (Jan 2007) referred to by Charles Crook looking at JISC's work looking at Web 2.0 and some of the issues raised such as the ease of copying and pasting and the subsequent potential or actual infringement of intellectual property rights or copyrights.
Well presented video by Professor Michael Wesch lookign at Web 2.0 from a point of view including how the web has changed from HTML to XML the differences, how this has helped mash-ups and changing the online community.