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The Time/Space Collaboration and Social Tool Group C, image, image, 下載,…

- - - - Nobody have to follow others' schedules.
    - - non-verbal communication among group members
- - - - Easy to operating
      - Free to use
    - - Have time limit
      - Cannot screen recording
        (normal member)
- - - - able to send to many people at once
      - no need to be on line at the the same time
    - - may missed message
      - file upload size limit
      - may blocked by spam filter
- - - - instant interaction
      - Students can learn from each other
    - - children transportation problem