This document provides a list of online tools and their brief descriptions: - Zamzar allows converting files without downloading additional software. Twitter limits messages to 140 characters. TinyURL shortens long URLs. iTunes U provides free podcasts. Slideshare and Flickr allow sharing and finding presentations and photos online. Google Docs enables collaboration on documents from any internet-connected device. Delicious and VoiceThread facilitate social bookmarking and commenting on multimedia content. Blabberize transforms text to speech for fun.