苹果的 iAd 移动广告系统参考手册，这种新盈利模式下的各种案例，提高你的盈利水平。-Apple' s iAd mobile advertising system reference manual, this new profit model under various cases, raise the level of your earnings.

1.九宫格的设计UI 2.iOS的Touch设计模式-1 squared design UI 2.iOS' s Touch Design Patterns