long used their fame to hawk their own line of products. now, the next generation is taking a page from the same playbook. youtube stars cashing in. finally we arrived at this formula. it smells clean and smart and funny. reporter: over a billion hours of video are watched on youtube every day, according to forbes the top ten youtube stars earned a combined $127 million this year from ad revenue alone, on top of the list, daniel middleton, evan fong and dude perfect. and now some influencers are leveraging their fame in the real world branding their own merchandise to sell to millions of followers. the smartest influencers know that their fame has an expiration date and if they want to have a career out of this, they can t just be an influencer. they have to be bigger than that. they have to be a brand. homecoming makeup.