What waiters' tricks have you noticed to bump up your meal bill?

The French website Rue89 has come up with a list of tricks used by French waiters to increase the bill at the end of your meal . Highlights include listing the available wines in an order that encourages you to choose the most expensive one, and clearing plates and glasses quickly to encourage customers to order more. Have you ever noticed waiters use similar tricks on you? Or have you yourself come up with cunning ruses while working in a restaurant or bar?