| 1 |
In order of increasing sophistication; cost; preparation time and presumably also in increasing learning value
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| 2 |
"Low-end" typified by simple HTML and PowerPoint. Of course hand written notes and postscript are even less sophisticated but these are getting less important.
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| 3 |
"Enhanced Low-end" typified by audio or video over web pages. Not clear how editing is possible/desirable
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This can be viewed as a pragmatic way of capturing details from the busy lecturer who does not have the time to carefully prepare a more sophisticated resource.
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