This document discusses using online collaborative tools like Diigo, WikiSpaces, WetPaint, and Ning to rethink the history curriculum. It describes how these tools allow students to organize research using bookmarking and notes, work on collaborative projects together online, see each other's work and progress, and be held accountable as a group. Specific benefits mentioned include teaching individual research skills and collaboration, allowing teachers and students to see the process, encouraging discussion of group work, and providing opportunities for peer editing and including presentation videos. Examples of online image and 19th century history projects are also mentioned.