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

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

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