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Why are cassette and CD players so bulky now? [15:39]
(www.youtube.com)
Not too short, not too long. Videos to last through your meal.
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Was rather interesting to learn that some of the core components of cassette players are only manufactured by a single producer. There's a similar situation with a lot of common devices, like microwave ovens, where they're effectively all the same on the inside because they're all sourcing the same part from one manufacturer.