Slot machines used to fill casino floors with cabinets as big as 50 feet tall...

https://alexisscoolperspectives.readspirex.com/posts/how-do-casinos-power-and-network-hundreds-of-slot-machines

Slot machines used to fill casino floors with cabinets as big as 50 feet tall or giant 40-inch screens. Today, these games fit in your pocket on phone screens just 6-7 inches wide