Slot machines once took up entire walls with screens 40-plus inches wide and...

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

Slot machines once took up entire walls with screens 40-plus inches wide and cabinets weighing hundreds of pounds. Now they’re slimmed down to fit on phone screens around 6 to 7 inches