Which famous tech company's first major product was a device called the 'Blue Box' that allowed users to make free long-distance phone calls by mimicking telephone operator tones?

Before they became household names, many famous inventions went through fascinating development journeys. This trivia question explores the origin story of a revolutionary product that changed how we interact with technology. Test your knowledge about the inventive process that led to one of the most significant technological breakthroughs of the 20th century.

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Apple
Microsoft
IBM
Hewlett-Packard