Motion detection and common knowledge
I have just read Sugarenia’s The problem with motion detection post:
Now let’s take the other example, one of my favourites: let’s say you have a tap with motion detection. You see it, see no visible way of controling it, no stickers around. You try turning it (I know I’ve done that many times) but it won’t work. You look for buttons on the wall or on the floor, ’cause hey, you’ve seen that around, but there are none. No visible way of controlling a tap. What would you do? I’ve left. Many times.
I have also been stressed (you are stressed when you are not in control) by similar systems, more than once. Indeed, the last thing to try was placing my hands under the tap, but I somehow managed to find how it works. I am sure there are many people who quit trying, or learned by chance how it works by seeing or asking someone who knew how to use the tap.
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