Slot machines used to be these massive cabinets, sometimes as big as 50 feet...

https://source-wiki.win/index.php/How_Loud_Are_Slot_Machines_Compared_to_Playing_on_a_Phone%3F

Slot machines used to be these massive cabinets, sometimes as big as 50 feet tall in casino showrooms. Now, you can play similar games on your phone with just a 6-inch screen