See also:
Report on the UNESCO Programme – Learntec 2001, Karlsruhe, Germany, 29 January – 3 February 2001 at http://www.unesco.org/education/portal/e_learning/Events/Learntec_2001/
Changing learning environments: The real and not so real of reality and virtuality at http://www.unesco.org/education/ educprog/lwf/dl/virtual.pdf