Teaching Hacks has proposed that those who are teaching using blogs, wikis, online vidoes, photoshare, etc. all start using special tags in Del.icio.us to enable people to find like minded projects easily. If you are interested in any of these web resources in your class you should check out the post at Teaching Hacks, and the soon to be tags at del.icio.us. In fact teachers have already started posting. You can see the educwiki tag and the educblogs tag already have a few entries.