Slot machines used to tower over casino floors with screens up to 40 inches...

https://celebmeadow.com/from-floor-standing-machines-to-pocket-screens-the-shrinking-footprint-of-slot-games/

Slot machines used to tower over casino floors with screens up to 40 inches wide, weighing hundreds of pounds. Today, those same games fit comfortably on your phone’s 6-inch screen