Lateral with Tom Scott cover image

51: Snap! Hacker! Pop!

Lateral with Tom Scott

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The Captain Crunch Whistle and Free Long Distance Calls

This chapter discusses the famous Captain Crunch whistle found in cereal boxes that produced a frequency used by telecom companies for long distance calls, allowing people to make free calls. They explore the movie references, alterations made to prevent criminal activities, and the idea of using different tones to get free things.

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