The following appeared under a slide show of dumb inventions, but they got me thinking about how thin the line between stupid and successful can be. Glowing tires fail but spinning rims make it big. People show no interest in a tiny TV screen in '66 but get excited about watching shows on their cell phones 45 years later.
Was the technology flawed in these inventions. Was it too expensive? Or have we just gotten better at selling stuff?
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