Slot machines used to fill casino floors with massive cabinets often over 50...

https://www.joint-bookmarks.win/slot-machines-used-to-be-massive-bulky-cabinets-often-topping-40-inches-tall

Slot machines used to fill casino floors with massive cabinets often over 50 feet tall in early designs. Now you can play those games on screens as small as 6 or 7 inches right in your pocket