Which famous invention initially failed in the market primarily because its advertising focused on technical specifications rather than addressing consumer fears about its safety?

When inventors and designers create new products, they know consumers often make judgments within seconds of seeing an item. This phenomenon, known as the 'first impression bias,' has influenced countless product launches throughout history. Some of the world's most revolutionary inventions succeeded or failed based on their initial presentation to the public, regardless of their actual functionality. Test your knowledge about how product presentation has shaped the trajectory of famous inventions!

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The microwave oven (1947)
The ballpoint pen (1938)
The digital camera (1975)
The zipper (1893)