University of Arizona's DLearn - DSpace-based LOR
Scott Leslie points to this new learning object repository, DLearn, which runs on the DSpace content repository system. It should support metadata harvesting, but I found no link. More...

Memeorandum and Newsmap and...
Newsmap is of less interest to me, and it has been around for a while, though the use of graphical elements is creative. But I like Memeorandum a lot. Basically, the idea is to take a set of major news stories and to run the story with a headline and a short summary along with the posts of some leading bloggers about that story. More...

Image Annotator
This is a beautiful use of Javascript, RDF and XSLT to create a system that annotates images. Go to the image link to see the final result first. Take a look at the page source; you'll see that it is written in RDF, and specifically, a combination of three schemas: Dublin Core, FOAF and an Image schema. Now go to the image annotator itself to see how the RDF file was generated. Follow the instructions on the page and generate your own RDF. More...

Why P2P File Sharing Is Good: The P2P Manifesto
Robin Good links to and summarizes a pretty good manifesto on P2P (person-to-person) file sharing. The author's premise is that P2P is inevitable, that content owners cannot prevent people from sharing files on it, and that it is better for content owners in the long run (but they'll have to adapt their business plans). More...

WordPress Multi User (WMU)
A long-standing complaint about the use of WordPress, the free and open source blogging software, in an academic environment is that no multi-user version was available. With the launch of WordPress MU, this is no longer true. More...