How much do you acknowledge strangers walking by you on the sidewalk? What about acquaintances at work? Are you like Marc who hates humanity or Julie who tries to high-five random joggers? In this ep, we learn all about the science, history, and culture of modern greeting rituals -- and then talk about what happened when we went out of our way to give a friendly greeting (or at least eye contact and a head nod) to everyone on our path. Special shout-outs: Cecil Baldwin and Meg Bashwiner of Welcome to Nightvale for teaching up how to do vocal warm-ups at PodCon! The Washington Center for the Performing Arts The Toph of GravityBeard Podcast Kyle of the Merchants of Dirt Podcast Meddling Kids Podcast (Julie's awesome Scooby-Doo recap show) Big thanks to the friends who sent in clips we didn't have space to use! Especially Chris Osborne of The Play Comics Podcast and Jimmy from Jimmy Teaches Everything  Join us on Facebook and Twitter!