Social bookmarking allows users to save, organize, and share websites. Delicious is an example of a social bookmarking site that allows users to tag and bookmark websites. Digital camcorders and MP3 voice recorders can be used for educational purposes like recording student plays, problem solving sessions, interviews, and digital stories. Blogging platforms like Primaryblogger allow classes to set up blogs. Wordle and Prezi are free online tools that can be used as alternatives to PowerPoint for visual presentations.