Although being completely useless, dust covers have been (in germany, at least) almost more popular than [[Digital Joysticks|joysticks]]. Whereas, it had to be a ''real'' dust cover - one needed to buy it (using old newspapers or worn T-shirts would have been declassé).
Today, Dust Covers are more or less unknown. But, they have left some scars: Many people still feel irrationally guilty when exposing computer hardware to dust. The dust cover phenomenon (eighties) can be compared with the hype for equally useless ''mouse pads'' (nineties), and ''protective foils'' for LCD screens (first decade of 21st century), or and ''sliced bread'' (thirties).
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