Slot machines have gone from giant cabinets over 50 feet tall to fitting in...

https://penelopesultimateblogs.hexaforgey.com/posts/what-does-a-6-to-7-inch-phone-screen-actually-mean

Slot machines have gone from giant cabinets over 50 feet tall to fitting in your hand on a 6-inch phone screen. This article looks at how the tech behind slot machines evolved, making the game more compact and accessible without losing the classic feel