Inside the World's Greatest Keyboard

From the satisfying click of its keys to its no-nonsense layout and solid steel underpinnings, IBM's 24-year-old Model M is the standard by which all other keyboards must be judged.

Benj Edwards, PC World

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Under the Hood 7 of 15

Every keyboard hides a dirty secret: a years-long accumulation of dust, dirt, hairs, crumbs, and whatever else fell between the key cracks. But after splitting open the case, I was surprised at how clean my Model M was, especially when compared with a particularly nasty Apple II+ keyboard that I cleaned off recently. The Model M's design ensures smooth operation even when dirty (we'll talk more about that shortly, or go to slide 9).