Manufacturers reveal 'close door' buttons on elevators make no difference | Daily Mail Online
Help NOVA Settle the Great Elevator Button Debate | Inside NOVA | PBS
Are there actually short cut button combinations in elevators that paramedics or police use to skip floors? - Quora
Fact or Fiction: 80 percent of 'close door' buttons on elevators don't work?
TIL 80% of Elevator “Close Door” buttons are non-functional : r/todayilearned
You know the door-close button in the elevator? Prayer is like that.
Elevator 'Door Close' Button Trick
The “Door Close” button fell off of this elevator revealing there is nothing behind it, it's just a dummy button. : r/mildlyinteresting
These 2 buttons both closed the elevator door. Is there any difference in them? : r/whatisthisthing
Do “close door” buttons on elevators ever actually work? - The Straight Dope
Pushing That Crosswalk Button May Make You Feel Better, but … - The New York Times
Open? Close? – The Blork Blog
Do Elevator 'Close Door' Buttons Work? – Truth or Fiction?
Does the elevator "close door" button really work? - ABC7 San Francisco
Does the Elevator CLOSE Door Button Work? - YouTube
Elevator close button fell off, and shows that it was never connected. (Taken from r/mildlyinfuriating : r/assholedesign
Why do “useless buttons” such as the elevator closing button and crosswalk button exist? - Quora
Do Elevator Door Buttons actually work? | by Colin Schwager, MBA | Teknik | Medium
Do "Close Door" buttons in elevators work? — Today You Should Know
What is the difference between the two buttons on the last two rows. Both close/open the elevator door in the same way. NM, USA. : r/whatisthisthing
The 'Close Doors' Button – The Quackometer Blog
Does the elevator "close door" button really work? - YouTube
