ReactiveCocoa & MVVM

http://blog.csdn.net/colorapp/article/details/46524893

http://blog.devtang.com/blog/2016/01/03/reactive-cocoa-discussion/

还有一个不错的blog，记录一下：

http://casatwy.com/category/blog.html

http://blog.leichunfeng.com/blog/archives/

http://www.jianshu.com/p/619cf14640f3