Zynga announced that it will being trading its stock publicly on December 16. It plans to issue 100 million shares with a price of between $8.50 to $10 a share, which gives Zynga a $10 billion value. More...

The concept is simple: Users click to build houses, cows, and turnips, wait a few hours, and then click again for the same thing. According to the New York Times this formula has led Zynga,... More...