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Whether it’s your phone vibrating, a rumble of your car’s engine, the tingle of your minty toothpaste or the bubbles in your drink, products come with sensory signals. Some are inadvertent, some are deliberate.

For example, advances in build quality meant the engines of modern day Mustangs were too quiet. They just didn’t sound “Mustang-y” enough. That’s why some models use speakers to generate tones that mimic the sound of a V-8 engine. 

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