On Tuesday we looked at how Marvel fans recently packed movie theaters across the country for Avengers: Endgame. Many of these viewers likely enjoyed the movie alongside an overflowing bag of popcorn and boxes of candy, snacks that can leave quite a mess in the aisles. Most people probably assume that movie theater ushers are responsible for cleaning up the stray kernels and soda spills leftover by the day’s customers. But while these employees sweep up between screenings, the Continue reading →