A man walked into Starbucks and ordered a coffee. But when he tried to drink it, he found that instead of coffee, his cup contained a pair of beige cotton trousers. "Excuse me," he said to the waiter. "This isn't what I ordered." "It must have been," said the waiter, shrugging his shoulders and walking away. Seething with indignation, the customer summoned the manager and said: "This isn't what I ordered. I want coffee, not trousers." "I'm sorry, sir," replied the manager. "It is exactly what yo…