Slot machines used to be huge—some stretching over 50 feet across casino...

https://list-wiki.win/index.php/Why_Do_Slot_Machines_Take_Up_So_Much_Floor_Space%3F

Slot machines used to be huge—some stretching over 50 feet across casino floors. Now, these classic gaming giants have shrunk down to just 6-7 inches, fitting right into your phone screen