When you think about creativity and innovation, what comes to mind? Professional scientists in white lab coats, performing highly technical experiments involving pipettes and petri dishes? Or an artist creating a masterpiece with paint and canvas? What about a kid spreading his mashed potatoes into a lumpy castle, complete with moat, turret and dungeon? April 21 is International Creativity and Innovation Day, which makes it an excellent opportunity to rethink what creativity and innovation mean to you.