1) Become genuinely interested in other people.
2) Smile.
3) Remember their names.
4) Be a good listener. Encourage others to talk about themselves.
5) Talk in terms of the other person's interests.
6) Make the other person feel important - and do it sincerely.
-Dale Carnegie, "How to Win Friends and Influence People"
Some of the best advice I've ever heard. Anybody read this? It may honestly be one of the most life-changing books written in the past century.