At the end of the day though, the most money is made by getting people to actually pay attention to the ads. Shorter videos might really accomplish that best. I

At the end of the day though, the most money is made by getting people to actually pay attention to the ads. Shorter videos might really accomplish that best. I imagine YouTube is aware of sleeping users, and if advertisers aren't realizing the engagement they expect for what they pay, they'll go elsewhere.