The Huffington Post started their Best of TED 2011 countdown recently. It's a top 18 list because TED talks have to be 18 minutes or less. There are a wide range of topics included so far, with six more talks currently waiting to be revealed. Of all the online resources I include in our courses for instructors, the TED talks always get the most use and generate the most interest, particularly among those who are not familiar with them. This happens even though most of the TED talks are not directly related to the topics that people are covering in their classes. I think there are three things that make the talks appealing as learning resources. First is the length -- long enough to get into some depth about an issue, but not so long that people will tune out or choose not to watch. Many of the resources on sites which are targeted at higher education include presentations/lectures which are an hour long or more. My experience is that finding the valuable section in a long video
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