2min chapter

Twenty Thousand Hertz cover image

Slot Machines: The addictive power of sound

Twenty Thousand Hertz

CHAPTER

Introduction

The sound you just heard is what casinos use to lure people in and keep them there. Modern casinos earn over 70% of their revenue off of slots. That's a dramatic increase from the 1970s when it was less than 50%. Slot machines today are very different from their predecessors. They're now more like video games. There's plenty of science and sound design that go into their creation.

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