“Good design is obvious. Great design is transparent”. — Joe Sparano All the tools human had been using from the begining of its existence were intuitive by its nature, until electricity was invented in 19th century. At that moment, when mankind progressed from lever to button we lost the connection between the action and the actual feedback of the system. Now we are going through the period of surfaces which are even further from natural behavioral patterns. Now to use new technologies people should learn how to do it and get used to it. Unlike buttons surfaces do not… More

Most of the designers treat interaction as any kind of communication between two or more systems. But most of the artworks we see in daily life are rather a reaction, than interaction. If all the systems provide the same output for the same input, then they can not be parts of the interaction. Generally, to create an interaction, there should be at least one learning system (see the cover image) involved in the communication. Also, I like the idea, that interaction could be on the mental level, on the level of exchanging ideas. For instance, when the artist makes and showcases… More

If you wish to create effective human centered designs you should consider psychology. One of the really useful things to know is cognitive biases, because people not always act rationally. I, myself, make a lot of assumptions based on my common sense, but practice shows that it is not a proper way to design anything for human, especially in interfaces. Further reading: https://en.wikipedia.org/wiki/List_of_cognitive_biases… More