This document discusses various Web 2.0 tools that can be used for collaboration, creativity, student engagement, differentiation, networking, and professional collaboration. It categorizes tools for vocabulary, social networking, presentation, and references various Flickr images related to each category. Some of the specific tools mentioned include Wordle, Tagxedo, Wiki Space, Voki, Glogster, WordPress, Twitter, Edmodo, Facebook, LinkedIn, Prezi, SlideShare, Picviewr, Kerpoof, Myebook, Google Docs, PB Works, ThinkQuest, and Ning.