Some insights regarding the Celtic Geek Con and some thoughts I earned from listening to the audio book "Quiet" Find out more at http://marcgunn.com/celticgeek034 I started listening to a new audio book today by Susan Cain. It’s called Quiet: The Power of Introverts in a World That Can’t Stop Talking. And yes, today’s show is sponsored by Audible. You can get the book free when you go to http://marcgunn.com/audible.