Unless, of course, the user made a copy of the track and then stored that track somewhere else, such as on another hard drive or compact disc.

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One time Houston had to track down a copy of Windows XP for Sweden because it had a unique coding quirk that was stalling Dropbox slightly.

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But when computers came along, he rapidly and enthusiastically embraced them--he believed they improved his productivity and made it immeasurably easier for him to keep track of other people's copy.

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We seem to have mislaid our copy, and we couldn't find it online, but we did track down a 1990 Backgrounder and a 1991 lecture by Butler that outline the plan.

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