translation.en: Well, studies show that even when we're really trying to pay attention to something -- like maybe this talk -- at some point, about half of us will drift off into a daydream, or have this urge to check our Twitter feed.
translation.zh: 根据研究指出， 就算是我们尝试着专注于一些事情 -- 就好像这个演讲 -- 到某个时间点， 我们当中会有一半的人， 都会恍惚进入神游状态， 或是会有一股冲动， 想去查看一下推特的内容。