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Session 1.3 Notes on PLNs


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This slideshow outlines the main ideas from our first sessions on blogging, and also discusses the application of Metcalfe's Law with regards to PLNs and David Warlick's concept of students' "invisible tentacles".

Published in: Education, Technology, Design
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Session 1.3 Notes on PLNs

  1. 1. Web 2.0 – the read/write web
  2. 2. Enduring Understandings: <ul><li>Who cares what I write on my blog? </li></ul><ul><li>When learning together, what comes first: reading or writing? Listening or speaking? </li></ul><ul><li>Learning sticks better when what we do is &quot;for real“. </li></ul><ul><li>We learn better when we access not just the same stuff, but also each other. </li></ul>Essential Questions:
  3. 3. “ The community value of a network grows as the square of the number of its users increase. ” Metcalfe’s Law
  4. 4. Practical Web 2.0? Blogging What is the sound of one hand clapping?
  5. 5. What good is one fax machine?
  6. 6. “ Usefulness” = Collaborators 2
  7. 7. … however…
  8. 8. Can’t quantify “usefulness”
  9. 9. Limits
  10. 10. Overload?
  11. 11. time
  12. 12. Noise?
  13. 13. Heuristic value
  14. 15. Keeping an eye on the time: Heavy load: Hands clapping: Noisy crowd: Tentacles:
  15. 16. To enter a link in a comment: <a target=“_blank” href=“” > Google </a> target=“_blank” means that the link will open in a new window href=“URL” indicates which web page you want to link to Inside the tag, you put the text you want to display for the link.