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Show HN: Elevators

1668 points · 413 comments · Jrh0203

  1. olex · · focus · HN ↗
    The biggest problem I always have with elevators is not the algorithm, it's the people seemingly being unable to grasp the concept of pressing either the up or the down request button, depending on where they want to go. Almost always I find someone will press both, because "then the elevator comes faster". Completely ignoring the fact that they end up going the wrong way first half the time, and adding an unnecessary halt for everyone already in there. How hard can it be to understand?..
    1. trivo · · focus · HN ↗
      And then when the elevator door opens, they ask the people inside: "Are you going up or down?" There's an arrow showing that, for Christ's sake.
      1. themaninthedark · · focus · HN ↗
        True but sometimes someone hits a button on the inside by mistake. Or someone was going to get off then decides not to.
        1. deathanatos · · focus · HN ↗
          … and the elevator is still going the way it is going, and that way is still indicated by the illuminated arrow.
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