Ben Krasnow, a mechanical and electrical engineer at Valve, has invented a cookie batter making machine to help him discover the perfect cookie recipe. The machine consists of a carousel where each station dispenses a specific ingredient for a single cookie. Using custom made software, Ben is able to tell the machine how much to dispense for each ingredient, which allows him to test up to 30 different cookie recipe in a single afternoon. I wonder if he’s hiring a tester? Count me in!