Striking up a conversation with a stranger can be easier said than done if you don't understand the dynamics behind it. The story today takes place at the Telluride Bluegrass Festival and walks you through the nuances of saying hello to someone. Video: What does your resting face say about you? Also, how does your interpretation of other peoples neutral faces impact your perception of them? Q&A: Whats the right move to make when you make eye contact with someone across a big table, but it would be inappropriate to start a conversation then and there. Enjoy!