I want to pass on a great resource for instructors who need to explain wikis, blogs, RSS, Google Docs, social bookmarking and other such tools to their students. Common Craft have created some of the most effective, to-the-point, and entertaining instructional videos I’ve ever seen; many of the topics they address in their unique, short videos fall squarely under the ed tech category:

All of these tools are easy to use but, admittedly, can be hard to describe. Common Craft completely demystifies them. Have a look: