Slot machines used to fill casino floors with massive cabinets over 40 inches...

https://rafaelsniceop-ed.urbanvellum.com/posts/why-does-a-casino-row-of-slots-feel-longer-than-you-expect

Slot machines used to fill casino floors with massive cabinets over 40 inches tall. Now they’ve shrunk down to fit into screens as small as 6 inches on your phone