Think about it like this: If you switched to a Dvorak keyboard and suddenly were typing 90% faster, jumping over to a co-worker's machine with a QWERTY keyboar

Think about it like this: If you switched to a Dvorak keyboard and suddenly were typing 90% faster, jumping over to a co-worker's machine with a QWERTY keyboard doesn't suddenly render you ineffective. It might take a moment to switch gears, but it's all there.