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:
