What Millennials Watch On YouTube Depends On Where They Live

Common themes: Zombies, David Foster Wallace, a high school teacher, and Wisconsin. Sounds about right.

YouTube introduced its Trends Map this week, and this is what we learned: The most popular video in the country right now among 18- to 24-year-olds is an adaptation of a 2005 commencement speech by David Foster Wallace.

But there are also some cool regional differences: For example, the youth in Appalachia are really into zombies. More insights below.

"This is Water"

What it is: An excerpt from a commencement speech given by David Foster Wallace at Kenyon College in 2005.

Where it's popular: In college towns and large cities with a major university, like Seattle, Portland, San Francisco, Phoenix, Tucson, Salt Lake City, Denver, Wichita, Chicago, Boston, Philadelphia and Washington D.C.

Choice quote: "...if you really learn how to think, how to pay attention, then you will know you have other options. It will actually be within your power to experience a crowded, hot, slow, consumer-hell type situation as not only meaningful, but sacred — on fire with the same force that lit the stars: love, fellowship, the mystical oneness of all things deep down."

"Student mad at teacher at Duncanville high"

What it is: Grainy cell phone footage of a high school student in the Dallas-Fort Worth area lecturing his teacher about her skills.

Where it's popular: Texas, Louisiana, and in cities like Bakersfield and Fresno in California's central valley.

Choice quotes: "You gotta take this job serious. This is the future of this nation. And when you come in here like you did last time, and make a statement about 'Oh this is my paycheck' — indeed it is, but this is my country's future and my education."

"The Nation's Best College Town- Madison, WI"

What it is: A promotional video from Wisconsin Athletics singing the school's praises.

Where it's popular: Duluth MN-Superior, WI, Minneapolis-St. Paul, MN, Mankato, MN, Wausau-Rhinelander, WI, Green Bay-Appleton, WI, Milwaukee, WI, oh and Madison, WI.

Choice quote: "The venues are unbelievable, the setting is gorgeous, those teams mean everything to the town. That's as good as it gets. That is the best college sports town in America."

"A Bad Lip Reading of The Walking Dead"

What it is: A video of Walking Dead footage overlaid with new dialogue, imagined by lip readers, dubbed in.

Where it is popular: Virginia, West Virginia, Kentucky, Tennessee.

Choice quotes: "You know fish can hear you thinking just before you sneeze."