Rachel Zupek, CareerBuilder.com
Handshakes have been around since the birth of civilization. In fact, they were originally a way to prove you had no weapons in your hand when meeting someone new (given today's state of affairs, that might not be a bad idea). Nowadays, we use handshakes in meetings, greetings, offering congratulations, closing a business deal or sometimes just to say, "How's it goin'?"
