This site provides a useful and very simple bookmarking service for Twitter. They follow your Twitter feed, and whenever one of your tweets contains a URL, they add it to your delicious.com bookmarks. You can optionally, bookmark URLs in @replies to you, and they’ll even add a delicious tag identifying the sender if you like.
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).