Let the culling continue: Zynga shuts down four more mobile games
Zynga COO stripped of game duties amid stock tanking, lawsuits
Zynga's Mark Pincus wants mobile gaming to be 'a poke with a purpose'
With 11.1 million daily players, it's clear why Zynga is down with mobile
Zynga Mobile Chief: Mobile is a 'new social gaming frontier'