Zynga's IPO filing shows utter dependence on Facebook(arstechnica.com)
arstechnica.com
Zynga's IPO filing shows utter dependence on Facebook
http://arstechnica.com/gaming/news/2011/07/zyngas-ipo-filing-details-risk-dependence-on-facebook.ars
http://arstechnica.com/gaming/news/2011/07/zyngas-ipo-filing-details-risk-dependence-on-facebook.ars
Also Google owns a big part of Zynga and G+ will soon launch developer tools. They are probably already on it.