Popcorn is a buttery, tasty treat. You can find it everywhere, from circuses to sports games. But it’s probably best known for its starring role as a movie theater snack! So why do we eat popcorn at the movies anyway? Why not pizza or peanuts or potato chips?  Join Joy and co-host Rose as they dive into the delicious history of this beloved snack and learn how for a long time, movie theater owners refused to let people eat popcorn in their fancy buildings. Plus, they’ll meet a very famous popcorn influencer and try their luck with a sweet new First Things First featuring Slurpees, Milk Duds and Sour Patch Kids!  Resources: Check out pictures of the first steam-powered portable popcorn poppers and the super snazzy movie palaces of the 1920s.This episode was sponsored by:Walt Disney Studios - Disney and Pixar's Inside Out 2 is coming to theaters, June 14th.PRX - Check out new episodes of PRX's Jamming on the Job wherever you get your podcasts.