Zynga are actually "well known" for having a hybrid model and running the steady state games on their private cloud - http://wikibon.org/wiki/v/Zynga_Cloud_Case

Zynga are actually "well known" for having a hybrid model and running the steady state games on their private cloud - http://wikibon.org/wiki/v/Zynga_Cloud_Case_Study:_The_journey_to_a_real_private_cloud http://wikibon.org/wiki/v/Zynga_Cloud_Case_Study:_The_journe...