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The well-known Introducing book series, which started with Rius's excellent, comics-style Marx for Beginners takes this on, giving accessible, visual guides to otherwise- daunting academic subjects.
McCloud's Chrome Comic is the first example I've met of a business using a comic to explain its product.
I think it's interesting, though we should also probably wonder exactly why Google should want us to understand their browser's inner workings. Pedagogy always has a purpose.
[via Conor]