Food website Delish.com, operated jointly by Hearst Magazines Digital and MSN, have launched a social trivia game on Facebook called the Delish Challenge. The Delish Challenge features more than 1,000 food-related questions that tests users knowledge as they work their way up the restaurant ladder from busser to executive chef. Along the way users gather virtual goods, which can be traded with friends, including sushi knives, wine glasses and spicy chilies,