Susan Cain, the author of Quiet: The Power of Introverts in a World That Can’t Stop Talking, is an introvert. So as she gets up to present from the TED2012 stage, bag in hand, it is not a comfortable experience. But it’s an important one, and that’s the point.
http://blog.ted.com/2012/02/28/an-introverted-call-to-action-susan-cain-at-ted2012/