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Instructions on Demand

Looking for instructions? Look no further than online. The internet has become a veritable database of how-to manuals. Users offer up all sorts of tips, from the useful to the unusual.

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Cooking classes, dance courses or makeup lessons: the video tutorials on YouTube have something for everyone. No matter how random or obscure the question, there's guaranteed to be an answer online. And the tutors earn more than a fan following: they can also earn big bucks. Successful YouTube stars can often cash in on a piece of the platform's ad revenues.