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Sound Cloud

  • Listeners can comment on specific times in the track.
  • Others can respond to comments on the track.
  • Comments, but not replies to comments, appear visually in the timeline.
  • Selecting an annotation on the timeline immediately opens a response text field (see image above).
  • Can not link to an individual comment
  • From the timeline, there isn't a way to jump down to the conversation thread.
  • From the comments, you can reference a location in the timeline so you can play from that location.

Sound Cloud in Education:

  • "Teacher's Guide to Sound Cloud in the Classroom"
    • "Sometimes telling is more expressive than writing or visualizing and SoundCloud is ideal for that. SoundCloud gives a voice to students and enables them to say their minds. SoundCloud improves students engagement with the learning taking place in class through the interactive features it provides such as commenting and liking."
  • Teachers' comments about using Sound Cloud in the Classroom:
    • "It is a great teaching tool that allows teachers to incorporate technology into their repertoire by using audio, Podcasting is a powerful tool that encourages listening and speaking skills. " - Gabriela A. on Common Sense Media
    • "It's an excellent way to record semester reflections, book opinions, original songs, spoken poems, interviews, and more. Although it's easy to use, it allows students an opportunity to practice technology literacy, and the embedding feature allows for a bit of coding when publishing to an ePortfolio or blog. For students accustomed to more engaging ways of recording and sharing audio (i.e. YouTube videos) or those who are not auditory learners may think the service boring or a hassle. " - Joanna B. on Common Sense Media

YouTube

  • Users can comment on videos
  • Comments can upvote / downvote comments
  • Filtering of comments can be done by popularity or by most recent
  • No ability to comment on specific times, but comments can link to times in the video.
  • Can not link to individual comments

  • Live stream videos can have real-time chats enabled
  • Can filter live stream comments by top and most recent
  • Chats can scroll quickly
  • In the example image above, the instructor was in the real time chat with partcipants while live streaming

Hypothesis

Above: Hypothesis with an annotation

Above: Hypothesis with a Note.


  • Users can create:
    • annotations by highlighting content on a page
    • notes which are not tied to specific content on the page
  • Individuals can reply to individual annotations and notes
  • Notes can include links and images.
    • Uses Markdown.
  • Can share just an annotation or the whole annotated page itself
  • Some tagging
  • Can create groups for participants to collaborate in
  • Privacy: unclear if annotations done within a group are group private, or globally public.
  • Todo:
    • Unclear what happens if you remove content which an annotation is attached. Experiment and see what happens.
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