http://www.economist.com/blogs/schumpeter/2013/07/zyngas-woes
To succeed, Mr Mattrick will have to pull off a tricky hat-trick. First, he must show that he can work smoothly with Mr Pincus, who may find ithard to give up control. He will also have to help Zynga, which grew up as a desktop-gaming specialist, adapt faster to a world in which more and more games are being played on mobile devices. And he will have to fend off competition from a burgeoning number of rivals such as King.com, whose Candy Crush Saga is winning rave reviews from gamers. Even Facebook, whose vast online platform helped propel Zynga to the top of the casual-gaming leaderboard, is exploring how to boost the number of companies developing games for it.