Putting ideas into words doesn't have to mean writing, of course. You can also do it the old way, by talking. But in my experience, writing is the stricter test. You have to commit to a single, optimal sequence of words. Less can go unsaid when you don't have tone of voice to carry meaning. And you can focus in a way that would seem excessive in... See more

Writing increases your rate of revelation. This is true irrespective of the subject because writing is a process of reflection, assertion, and iteration.

Writing clarifies your own ideas. Writing begets new ideas too. Writing lets you explore ideas in depth even if you won’t have time to act on them all. Writing shows people how you think and lets... See more

Is that so bad? Isn't it common for skills to disappear when technology makes them obsolete? There aren't many blacksmiths left, and it doesn't seem to be a problem.

Yes, it's bad. The reason is something I mentioned earlier: writing is thinking. In fact there's a kind of thinking that can only be done by writing. You can't make this point better

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