Slot machines once towered over casino floors with cabinets more than 50 feet...

https://riverssmartchat.novacrestiq.com/posts/why-do-slot-machines-need-locks-and-maintenance-access

Slot machines once towered over casino floors with cabinets more than 50 feet tall or screens over 40 inches wide. Now, many games fit comfortably on phone screens just 6 to 7 inches across