Grayscale is an example of tech that's great, but nobody uses. I do use it all the time, wow is it nice. It makes webpages nice like a newspaper.

灰度模式就是那种技术很棒但没人用的典型例子。不过我确实在一直用，哇，真的很好用。它让网页看起来像报纸一样舒服。

Another one is keyboard layouts. You can print out a cheat sheet, and also your osk can show it. You can even use it on your phone, for extra practice.

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