Slot machines used to be massive, bulky cabinets often topping 40 inches tall...

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

Slot machines used to be massive, bulky cabinets often topping 40 inches tall and weighing hundreds of pounds. Now, these games fit neatly on 6-inch phone screens, making it easy to spin reels anytime without dedicating a whole floor space