Obviously I think that Simpler is Better. From Barcamp, I saw a video from Lee Lefever on social bookmarking, explained simply. They edit their movies using Final Cut Express, shoot in their small apartment on the floor, and focus on quality of instruction vs. glossy production. Insodoing, they’ve developed a style and a dialog with their viewers that is appealing and keeps the focus on the lesson.

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Obviously, this would compare favourably to most corporate instructional videos for most of us, and is substantially cheaper to produce. It also gets the message across cleanly, is fun, and gives the creator tremendous freedom: encumbrances in the physical world can be less than those in the digital, as far as instruction.