Slot machines have come a long way from the huge cabinets that used to fill...

https://johnnywrbo401.wpsuo.com/why-did-designers-choose-spectacle-once-mechanical-limits-disappeared

Slot machines have come a long way from the huge cabinets that used to fill casino floors, some over 50 feet tall! Today, many games fit snugly on screens just 6 to 7 inches wide, right in your pocket