I wouldn't touch this IPO for one major reason - reliance on FB. In fact, the first risk that Zynga lists in the filing docs:
"If we are unable to maintain a good relationship with Facebook, our business will suffer,” according to the filing. “Facebook is the primary distribution, marketing, promotion and payment platform for our games."
"If we are unable to maintain a good relationship with Facebook, our business will suffer,” according to the filing. “Facebook is the primary distribution, marketing, promotion and payment platform for our games."