Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess
User Experience and Experience Design !
Afzal, Shazia, Morrison, Cecily and Robinson, Peter (2009): Intentional affect: an alternative notion of affective interaction with a machine. In: Proceedings of the HCI09 Conference on People and Computers XXIII 2009. pp. 370-374.