YouTube can be remarkably useful for almost every business, every manager I can think of - sales, human resources, IT, customer service, marketing, finance.
How? Naturally sales and marketing videos come to mind.
But what about internal use for: training, how-to, procedures, software tips, executive messages, demos, role playing, induction? This is just a beginning top of mind list. Your videos can be set as private so only people you select can view (maximum 50). Alternately set them as unlisted. Anyone with the link can view.
A primary benefit is the simplicity of uploading videos - via computer or your smartphone. Why would you use YouTube instead of the company intranet?
1. Cost