It depends on the author and if they know how to sell books well or have an already established audience. (toughnickel.com)
Not only can expert partnerships make your content better, but they can also extend the reach of your content to other established audiences. (inc.com)
Not to mention, the trouble with making games for other consoles — which is stupid to begin with — the other consoles have their own established audience. (styzzz.com)