Your comment is spot on. Being in line at the DMV is probably the best example I can think of this. I'm usually waiting for a while, and chatting with whomeve

Your comment is spot on. Being in line at the DMV is probably the best example I can think of this. I'm usually waiting for a while, and chatting with whomever is next to me. Not unusual to be an interesting conversation with someone I'd have never otherwise spoken to (and probably vice versa).