They type fine. One sales person told me his missed keystrokes, but mine doesnt. What I do find is that you have to hit the keys dead on. There is no lateral support on key presses so at times you might mash two. But that just refines your typing skills, right?
Go ahead and get one. They are only about 10 bucks.
You can roll them up, but you cannot roll them too tightly, nor crimp them. That will cause damage.
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davidred wrote...
I installed Ubuntu once and it completely destroyed my paying relationship with Microsoft.