Del.icio.us is a social bookmarking tool. You can collect your bookmarks online and easily share them with friends. You can browse other people’s bookmarks and find great stuff. Del.icio.us, like Gmail, uses what’s called “flat hierarchy.” What that basically means is that data is organized by keywords, not by folders. This is important.

If you’re not using del.icious yet, get on it. Here are three articles to get you started, or to help you better understand how to use it (in order of importance): A Beginner’s Guide to the Next Big Thing What is Del.icio.us? A Delicious Interview