Ends October 29, 2009 and you must be under 25 years old to enter: What does ‘Pop’ mean to you? (We aren’t talking fizzy beverages, people). Does it elevate the everyday or take the stuffing out of high culture? Or is it simply art that’s not afraid of being a product? Whatever the theory, it’s undoubtedly visually striking and your interpretation will look stunning on a tee in the Tate Modern shop! Your challenge is to design a tee inspired by the Tate Modern Museum’s Pop Life exhibitionEnter the contest here