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Exactly. Most actions in idle game mode (i.e. when there's no active battle, micro or macro to be done) are null, the gamers simply repeat random meaningless keystrokes; this helps with being always alert and ready for anything that requires a rapid response.

An AI doesn't need to do this.

Source: Ex pro Starcraft (Brood War) gamer.

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> this helps with being always alert and ready for anything that requires a rapid response.

I always wondered why they do that, just spam meaningless things like open/close the stats window or click on the background. Some WoW PVPers did it too (like Laintime, I think it was - played a warrior and ran around spamming the character window open/closed an mashing 'weapon swap' even when there was no earthly reason to do so). I figured it was just the result of too much caffeine for 18 hours a day.

This sounds like it's more an equivalent of tennis players' dancing/hopping around, or martial artists doing their ducking/weaving thing?

There no were BW pro-gamers outside of Korea.

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