What the 'door close' button in Hong Kong lifts reveals about selfish city | South China Morning Post
![Jay Van Bavel, PhD on X: "I've created a single-item measure of pro-sociality: It is simply whether you press the elevator "door open" or "door closed" button when someone else is racing Jay Van Bavel, PhD on X: "I've created a single-item measure of pro-sociality: It is simply whether you press the elevator "door open" or "door closed" button when someone else is racing](https://pbs.twimg.com/media/D5sIdyQWwAA6U1n.jpg)
Jay Van Bavel, PhD on X: "I've created a single-item measure of pro-sociality: It is simply whether you press the elevator "door open" or "door closed" button when someone else is racing
![How can the design for elevator/lift door open/close buttons be improved? - User Experience Stack Exchange How can the design for elevator/lift door open/close buttons be improved? - User Experience Stack Exchange](https://i.stack.imgur.com/SBciq.jpg)
How can the design for elevator/lift door open/close buttons be improved? - User Experience Stack Exchange
![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 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](https://preview.redd.it/5qd4cdfop5071.jpg?auto=webp&s=3e6affe524886c497b6759483cd0e7baa63e7944)