响应式编程是一种面向数据流和变化传播的编程范式；
响应式编程和函数式编程的融合；
响应式编程为内核；函数式编程为工具；
流的概念先天适合函数式编程。
Some quotes from the article:
Reactive programming is programming with asynchronous data streams.
On top of that, you are given an amazing toolbox of functions to combine, create and filter any of those streams.
Here's an example of the fantastic diagrams that are a part of the article:
https://stackoverflow.com/questions/1028250/what-is-functional-reactive-programming/1030631?r=SearchResults#1030631
