It seems to be so easy to implement and everybody knows the problem: you take an elevator, you click the wrong floor and now you have to wait awkwardly on the wrong floor for the doors to close again.
In: 32
It’s because of user behavior. Users get into the elevator and hit their floor button (or hit the “Up” button outside) somewhat reflexively. If we used the button as a toggle, that floor would often get turned off by a second user. This would provide a worse user experience. There is no cost or technical difficulty in making the button a toggle, it would just suck for the riders.
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