Back in 2005 when YouTube first launched and people were questioning the value of putting free content online, establishing any YouTube presence at all was akin to becoming an authority.
People went on YouTube not to sell their products but to show people that they are (or could be) thought leaders in their fields. Nowadays, people go on YouTube to be popular, because as long as you are famous, your success in both endeavors is just about guaranteed.
Check out some of the most effective ways to become popular on YouTube and build a successful business. Learn from the examples of others, and establish yourself as a major influencer sooner rather than later.