This is a test of the emergency broadcast system. Had this been a real emergency you would be given instructions. *high pitch noise* This has been a test of the emergency broadcast system. Meet Giant Foods' newest employee. His name is Mark Poston, he's 16 years old and going to be a junior next year. He wanted to be a cashier and that's what he's doing. "I like using the cash register" says Mark. "There is just something fun about pressing the numbers". So far he's doing a good job. Way to go Mark!