This document provides an introduction to social bookmarking using the site delicious. It explains that delicious allows users to store bookmarks online and share them with others through tagging. It notes the main benefits are accessing bookmarks from any device, organizing them with tags, and finding new bookmarks from what others have shared. The document also describes how to add delicious bookmarking buttons to web browsers for easy tagging and sharing of bookmarks without visiting the delicious site directly.