7) Reviewing & Replaying Session Histories

• Record compact histories

• Allow users to review & annotate history

• Disseminate histories (histories as first class objects)
  • Send by email
  • Post to website
  • Consult synchronously & asynchronously

• Edit, extract, combine, search

• Replay: slow, fast, reverse

• Macros to automate exploration

(“Learning Histories”, Computer Supported Collaborative Learning Conf.,

December 1999) www.cs.umd.edu/hcil

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