Home » Arts & Entertainment » In 1971, a young hacker named John Draper discovered that the toy whistles found in Captain Crunch cereal boxes were capable of mimicking the tones used by phone companies, allowing him to make free phone calls.
Captain Crunch Whistle

In 1971, a young hacker named John Draper discovered that the toy whistles found in Captain Crunch cereal boxes were capable of mimicking the tones used by phone companies, allowing him to make free phone calls.

Captain Crunch and his Toy Whistle

One fateful day in 1971, a young hacker named John Draper opened a box of Captain Crunch cereal. It is hard to imagine how this led to a major event in the history of anything, but the detail is that the box came with a toy whistle. Draper didn’t take long to realize he could use this toy whistle to simulate the exact tones required to make free calls. This stunt earned him the nick name Cap’n Crunch, and it also led him to create something called the blue box. The blue box was a device designed to mimic the tones used by phone companies to make free calls anywhere. Draper may sound like a good for nothing phone phreak, but he was also out to explore the complex system behind phones of his time.

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