Slot machines started as giant cabinet beasts, sometimes towering over 6 feet...

https://www.oscarbookmarks.win/slot-machines-used-to-be-massive-some-standing-over-40-inches-tall-or-spanning

Slot machines started as giant cabinet beasts, sometimes towering over 6 feet tall. Now, those same games fit in the palm of your hand on screens just 6 to 7 inches wide