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Speed matters: Why working quickly is more important than it seems
This blog post is the best thing I've read "in defense of getting good at Vim". Sure, the learning curve is high and it can require a lot of configuration and memorization, but that is all in exchange for shrinking the time between thought and executing it on the computer.
The obvious benefit to working quickly is that you'll finish more stuff per unit time. But there's more to it than that. If you work quickly, the cost of doing something new will seem lower in your mind. So you'll be inclined to do more.
The general rule seems to be: systems which eat items quickly are fed more items. Slow systems starve.
When you're fast, you can quickly play with new ideas.
Part of the activation energy required to start any task comes from the picture you get in your head when you imagine doing it.