Great FAQ about the how and what of Diigo transition. It also has some info on the differences of the two web resources. I personally recommend Diigo over Delicious because of the highlighting and stick notes. They are a great add-on for research.
This site provides a simple bookmarking service. We follow your twitter feed, and whenever a status you tweet or re-tweet contains URLs, we add them to your delicious.com bookmarks. Optionally, bookmark URLs in @replies to you, and in tweets you mark as Favorites.
who knew that learning about history could be so delicious? Very interesting blog about food and history. also contains recipes. check out the right side bar information too!