Slot machines used to fill entire walls with screens over 40 inches wide, heavy...

https://paxtonsexpertop-ed.zenbloomer.com/posts/is-a-7-inch-phone-screen-the-same-as-a-7-inch-square-understanding-screen-size-confusion

Slot machines used to fill entire walls with screens over 40 inches wide, heavy cabinets, and flashing lights. Now, many games fit neatly on 6-inch phone screens, letting you spin reels anytime and anywhere