Why The “F” And “J” Keyboard Keys Have Raised Ridges?

Have you ever wondered why the letters “F” and “J” (and the numeric pad’s “5” key) on your keyboard have bumps? Contrary to popular belief, they are not there to help blind people type.

So why do keyboards have them after all?

Those raised ridges are actually there to help you properly place your fingers while typing. By just feeling them, the user can navigate through the keyboard without having to look down. Here’s the proper way of typing: (the article continues after the ad)

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Your index fingers are placed on the two ridged keys so that your left hand covers the keys “A”, “S”, “D” and “F” while the right covers “J”, “K”, “L” and “;” (colon). Ideally, your thumbs should be resting on the space bar.

If you like what you read, then you will definitely love this one: This Is Why It’s Called The “Shift Key” 

Photo: I’m A Useless Info Junkie