translation.en: As the capacity of computers becomes really, really big, and the capacity of our mind not that much bigger, we find that we need to tag as much as we can what we do in order to then retrace our path.
translation.zh: 计算机的能力越来越大，真的很大， 而我们的心智能力并没变大， 我们发现我们必须标示做过的事 以便能跟踪走过的路。