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.

Google Data, U.S. Jan. - June 2015 vs. Jan. - June 2017.

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Black millennials' mobile watch time on YouTube has more than doubled in the last two years.

September 2016 Nielsen
86

of the top 200 beauty videos on YouTube were made by creators (vs. branded or professional content).

May 2017 Nielsen/Carat/YouTube

Black millennials watch substantially more YouTube on mobile than other millennials.

September 2016 Nielsen Electronic Mobile Measurement

of females 18 to 24 years old used their phones to search for health and beauty how-to content in the past three months.

Jun. 2015 Google/Galaxy

>65% YoY increase in watch time for the top travel-related YouTube videos on mobile devices.

Jan.–Mar. 2015 vs Jan.–Mar. 2016 YouTube Data