Prof. Wojciech Cellary participated in The 8th Conference "Virtual University - Model, Tools, Practice - VU 2008" which was organized by Center of Open and Distance Education CODE (Warsaw University of Technology), Warsaw University and Polish-Japanese Institute of Information Technology. The main topic of 2008 edition was "Open universities, open resources, open access". During the conference Prof. Cellary had a lecture on e-Learning in Knowledge-Based Economy.