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 !
Bergenti, Federico, Poggi, Agostino and Somacher, Matteo (2002): A collaborative platform for fixed and mobile networks. In Communications of the ACM, 45 (11) pp. 39-44. http://doi.acm.org/10.1145/581571.581591