The thing about understanding digital marketing is that once you learn the fundamentals you start to see them come in to play everywhere online.
In any results-oriented field the source of the idea is unimportant. The only rubric for judging an idea’s value is if it works.
As such, there are many cases where some really fantastic new marketing approaches are pioneered by those well outside the profession.
Here are five lessons from non-marketers gleaned from YouTube.