Found in 1 comment on Hacker News
dmix · 2015-08-23 · Original thread
If you're into this type of UI perfectionism, I recently read a book on the subject called 'Microinteractions' which I highly recommend:

http://www.amazon.com/Microinteractions-Full-Color-Designing...

They give examples of designers using sound to enhance interactions. For example, slot machine designers make sure there are sounds every time the user interacts with the machine. The sounds and music also get louder and louder as the game goes on - to heighten the excitement and get the person addicted to that rush. One of the reasons why slot machines bring in more money than the movie or video game industries.

Website designers should definitely utilize this more often!

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