Zynga and Facebook Dial Their Relationship Back a Notch

For the past couple of years the social network Facebook and the social gaming company Zynga have enjoyed a rather cozy relationship. Zynga games have been a substantial source of revenue for Facebook, and the game maker has relied on the network to drive millions of players to its stable of titles. It's been a good… » 11/30/12 9:35am 11/30/12 9:35am