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

https://www.pop-bookmarks.win/slot-machines-used-to-be-huge-some-stretching-over-50-feet-across-casino

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