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.
Bem, os estudos demonstram que, mesmo quando tentamos prestar atenção a algo — como talvez esta palestra — a dada altura, metade de nós começam a sonhar acordados, ou teremos vontade de aceder ao Twitter.