Slot machines used to be massive, taking up 40-plus inches on casino floors and...

https://riverssmartchat.novacrestiq.com/posts/why-do-slot-machines-need-locks-and-maintenance-access-2

Slot machines used to be massive, taking up 40-plus inches on casino floors and weighing in heavy. Now, these games fit right in your pocket on screens as small as 6 inches