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I have thought about doing something similar but with mathematics. My suggestion would be to package up various tutorials into a course. Instead of static pages I would add videos using Camtasia or Captivate. There are lots of colleges and universities that sell courses on this stuff and you could sell such courses for a lot cheaper.

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We did a research study sponsored by the U.S. Dept. of Ed that showed that for learning basic skills, black-and-white screenshots are best. Walking people through tasks step-by-step with static pictures is most effective. Video is really good for some things (showing the correct hand movements to operate an iPhone, for instance), but for basic "click here" stuff, simpler is better.

That is very interesting.

At the college I teach at we have courses for administrative assistants and I thought perhaps you could sell courses that are cheaper and better.

Good luck on figuring out how to monetize your site.

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