This document discusses various social media tools that can be used for collaboration, including Dropbox, Google Drive, Doodle, wikis, and Delicious. Dropbox and Google Drive allow sharing and collaborative editing of files online. Doodle helps schedule meetings and events for groups. Wikis enable collaborative writing online. Delicious enables social bookmarking and sharing of websites through tagging. The document provides brief descriptions and benefits of each tool to support collaboration.