Game Industry

Zynga, famous game company, got the market value of 160 Billion? Although people said mobile gaming is a serious industry in 21st century, i don't see how they have this figure. figure of 2010.Q1: FarmVille, 83M monthly actives, place #1 game in the World. Cafe World, 30.6M, #3 Texas HoldEm, 26.9M #4