Chris Lytle's Sales Tip: "When I'm selling at my best, I'm more playful," said a seminar participant recently. "Work is more fun than fun," suggests Noel Coward. Selling at your best is fun. You smile more. You are more at ease with your customers and they react accordingly. Customers sit through plenty of boring meetings. What can you do to add a measure of "playfulness" to your next customer encounter?