Instead of taking your card away to swipe it at the cash register (and potentially steal info), the waiter almost always brings the hand-held machine to you.
Okay, the cups might be smaller on this side of the Atlantic, but you get a little bonus! Cookies or small chocolates are standard with your cup of coffee or tea.
It varies from country to country, but portions are generally consistently smaller than in the US. This can be a good thing, allowing you more room to sample amazing treats.