I often bring books to give away during Q&A, but if the front is empty, I offer a free book to anyone who is willing to move to the front. It always works, usually entertains those who are too lazy to move, and makes the audience seem much less threatening to me. (The toughest, scariest people seem harmless when they are chasing after free things.) The more worried I am about a talk, the more likely it is I’ll bring books
