Black millennials watch substantially more YouTube on mobile than other millennials. Appears In The case for diversity in advertising Related Content What black millennials want from YouTube advertisers Related Data Black millennials' mobile watch time on YouTube has more than doubled in the last two years. In the past two years, videos with the word "review" in the title had more than 50,000 years worth of watch time on mobile alone. In the past two years on YouTube, videos with "review" in the title had more than 50,000 years' worth of watch time on mobile alone. Nearly 60% of millennial women on YouTube say they are more likely to remember a brand that’s LGBT-friendly. 70% of millennials who watch YouTube to learn how to do something new. 47% of millennials say they’ve watched YouTube videos to improve their health or feel better after feeling down.