How to be (less) Awkward: "I want to teach you one of the easiest and most fun nonverbal conversation tricks. The eyebrow raise. Across cultures, the eyebrow raise is what we do when we hear or see something interesting. When you see someone do it in conversation it often means you have said something engaging or brought up a topic that peaks their curiosity. The eyebrow raise is the physical indicator of a spark. It clues you in to a topic that they might like discussing." -- Love this tip, and also steps 7 and 8, from this post on 10 steps to the perfect conversation.