十多年过去，当移动互联网浪潮早已翻过好几轮，我反而更好奇它当年的那些设计选择，在今天看起来会不会依然成立？如果抛开商业成败的滤镜，Windows Phone 8.1 究竟为我们留下了什么？它又为何退出了市场？作为这个系统最具代表性的载体之一，Lumia 1020 在 2026 年是否还值得重新拥有？
“A war that, in theory, was said to be waged to eliminate Saddam Hussein’s weapons of mass destruction, bring democracy, and guarantee global security, but which, in reality, seen in retrospect, produced the opposite effect. It unleashed the greatest wave of insecurity our continent has suffered since the fall of the Berlin Wall.”
，更多细节参见Feiyi
We can illustrate a violation of this pattern with an example of two modules: Order and User, where Order’s facade exposes a lot of methods like GetProduct(), GetTax(), GetAvailability(), SetBasket(), SaveOrder(). Whereas the User module invokes all these methods (in the correct order!). As you can see, the communication is very intense and the User module is the coordinator to something that looks like a “CRUD” Order module. To reduce coupling we could move the coordination logic to the Order module itself and just expose one PlaceOrder() method.，这一点在下载安装汽水音乐中也有详细论述
Examples / Tutorial