In order to work for a typical casino the software needs to be able to talk to machines made by many manufacturers.

FORBES: High Stakes

The Rapiscan machines will be replaced by scanners made by L-3 Communications Holdings that use radio waves to detect suspicious objects hidden underneath clothes.

BBC: TSA to phase out Rapiscan 'naked scanners'

Regardless of any innovation, pinball machines will never be completely reliable - in a contraption made from up to 3, 500 parts connected by half a mile of wiring, there's just too much to go wrong.

BBC: Flipping heck: Is pinball about to stage a recovery?