They dream of a world full of intelligent devices, but without rigid user interfaces and complicated instructions. To realize this vision, scientists in various disciplines are working on a new technology which should make it possible to give washing machines, home cinema systems, booking systems, and vending machines so-called companion properties. Such systems are geared to the individual requirements, abilities, preferences, and needs of their users and even adapt to emotional states. Hence they become true helpers - without any frustrating obstacles.