Continuing the discussion from Loss of keyboard input: Gregory reminded me of my favorite computer joke. It goes like this: Hardware engineer, software engineer, and manager are on their way to a client site in a rental car. Drive is going fine, but going down from the very top of a steep hill, suddenly the brakes give out. The car careens down the road — they’re weaving back and forth, dodging around slower cars and the oncoming traffic, barely avoiding trees, and so on. Finally, miraculous...