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Web 2.0 Applications in Learning

Tony Karrer

I cautioned everyone about the 1% Rule that says in collaborative environments, e.g., discussion groups, for every 100 people who sign up, 90 will lurk, 9 will participate in a limited fashion, and 1 will regularly post content. I've not really seen good examples of business cases (future ROI) for using these tools. is discoverable.

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