Move over, food porn. Competitive eating is about slamming as many calories as possible, and there's a massive YouTube community around it. Erik the Electric's food challenge videos have been viewed 80 million times. Alli and Jen talk to him about approaching this extreme lifestyle in a healthy way, and his personal battle with anorexia.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Most people think of emoji as trivial text message pictures. But creating them is a complex process debated by a consortium of tech giants. And as emoji become more widespread, so too does their cultural and linguistic importance. Alli and Jen talk to Jennifer 8. Lee about her campaign for multi-racial emoji, and whether emoji might evolve into a true language with grammar and identity.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Thousands of "Preppers" are amassing food, water, tools, batteries, and other essentials in their basements and bunkers. But for what? Alli and Jen speak with Todd Reynolds, AKA The Dynamic Prepper, about survivalist culture, YouTube, knives, aliens, and why a "Go Bag" is a smart idea, whether you think the apocalypse is coming or not.

Learn more about your ad choices. Visit megaphone.fm/adchoices

For countless historical and social reasons, most of the people editing Wikipedia are white men. This has led to broad bias across the world's de facto repository of online knowledge. But a loose affiliation of women are making up the ground by writing and editing the biographies of historically significant women and minorities who might otherwise be overlooked by academic or popular culture. Alli and Jen speak with Rosie Stephenson Goodknight, a lauded Wikipedian with more than 4000 articles to her credit.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Most social platforms like Facebook, Instagram, and YouTube have firm restrictions on nudity. Twitter is much more lax, making it a digital haven for the nudist community. Taylor Lorenz, a journalist for the Atlantic, breaks down the difference between sexual and non-sexual nudity, and the double standards many tech companies have when it comes to the human body.

Learn more about your ad choices. Visit megaphone.fm/adchoices

The multiplayer RPG "Ultima Online" came on the scene in 1997, and it remains a thriving, persistent world to this day, two decades later. Those who prefer the "classic" version host private servers (shards) where longtime players congregate. Alli and Jen speak with Alyssa Schnugg, a grandmother in real life, and a veteran guildmaster in "Ulima Online Forever."

Learn more about your ad choices. Visit megaphone.fm/adchoices

Airbnb has completely revolutionized tourism, but the legal and regulatory battles around whom you can rent your room to rage on. Alli and Jen speak with Evelyn Badia, an Airbnb "Superhost" who makes her living by renting her home to strangers -- often while she's still in it. She shares what makes a great host, and how the rise of Trump changed New York tourism.

Learn more about your ad choices. Visit megaphone.fm/adchoices

The reboot of "My Little Pony" has reached fans far beyond the "little girls" demographic. Thousands of adult men self-identify as Bronies: Dudes who love the stories, characters and themes of the whimsical cartoon. Alli and Jen speak with Charlie Worthley, a Brony convention organizer, about this far-reaching community built on acceptance and gender empowerment.

Learn more about your ad choices. Visit megaphone.fm/adchoices

There are Facebook groups for everything -- even jumping spiders. Alli and Jen talk with bug enthusiast and writer Melissa McEwan about the passionate communities that form around insects, insect rights, and cute/terrifying pics of creepy crawlies.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Most people love the Earth. But some people really LOVE the Earth. You know, in *that* way. Alli and Jen speak with Jennifer Reed, a PhD studying the rise of ecosexuality -- from performance art to sex with trees, and everything in between.

Learn more about your ad choices. Visit megaphone.fm/adchoices