Neat. I suppose this uses the 'Security Slot/K-slot' and pushes it out of the foam receptacle (via a solenoid) when a purchase has been made? Returning would

Neat. I suppose this uses the 'Security Slot/K-slot' and pushes it out of the foam receptacle (via a solenoid) when a purchase has been made? Returning would be reverse, checking continuity with the lock cable when it's inserted...and maybe a RFID tag inside the case to detect the laptop ID? I've been spending a good amount of time thinking about networked bikesharing locks, so that's my guess at how this works: