Facebook Game Developer Zynga is giving away $1,000 every hour to people who play eight of their most popular games.When a person plays,YoVille, PetVille, Treasure Isle, Frontierville and Zynga Poker, Cafe World and Farmville, that game is checked off on a list above each of the games. When you play all eight, you are entered into the drawing for that hour. The contest goes on only for 24 hours and ends at mignight Pacific Standard Time. The contest is only open to people over the age of 18 living in the United States.