Slot machines used to be these huge cabinets, sometimes over 40 inches tall,...

https://www.wall-bookmarkings.win/slot-machines-used-to-be-these-massive-50-foot-tall-setups-on-casino-floors

Slot machines used to be these huge cabinets, sometimes over 40 inches tall, taking up a big chunk of casino floor space. Now, you can play similar games on screens as small as 6 inches wide—right on your phone