translation.en: The first thing I began to notice: how many big concepts were emerging -- from the wisdom of crowds to smart mobs -- around how ridiculously easy it is to form groups for a purpose.
translation.zh: 我最先注意到的是： 多少大概念在酝酿 从群众的智慧结晶到高智商人群-- 要有什么想法就可以建个组 这点做起来超简单的。