Timelining (a 2.0 approach) July 3, 2007 xtimeline just launched in beta. I am already planning how to use this tool--a kind of Wikipedia for timelining--for student research in September. The tool allows you to create interactive timelines enhanced with images, videos, music, and Web links. It stores timelines and allows multiple timeliners, or "friends" to collaborate and share collected knowledge.
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