My very first critic is about my house door which I have to open everyday. When I want to open my door, my natural intention is turning the handle and the key to the left. However, I have to turn the key to the right as if I were locking the door. Even though I know the fact that how it opens, it always confuse me.
My second critic is about kitchen appliance. The picture you see below is a "Kitchen Robot" which is supposed to help pretty much anything in the kitchen. You buy it, they send a giant box to your house. You open it and after a while you decide not to use most of the parts because you cannot get how they work. There is not any mapping on the pieces. I am sure machine itself is functional; however, you do not know how to take advantage of all those pieces. It is very poor defined interface. They want the magic happen without giving any information. Nobody is going to buy this and sit and read every single time before they use. At least my mom did not do so and we ended up using the ones we could figure out and the rest stays on the box for almost 10 years.
They should have a clear map. They could have some icons on the pieces to let user what they are for. Instead of making "how to use book" like a text book, they could make it less word more picture and maybe colorful.
My third critic is a mystery, I will just share the picture and let people guess what it is. I will let you know guys what it is in the class. I always hate using kitchen supplies because they are very complicated to use.
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