But some of the worst data leaks happen when you’re staying at a hotel.For example,a hotel clerk sometimes asks for your name and then announces your room number after you’ve checked in.You’re better off handing the employee your ID when he or she asks for your name and asking the employee to write your room number on a piece of paper.Why? 20 Just to be sure,never leave the customer copy behind.You can destroy it later,but keep it under your contro1.