Prof. Wojciech Cellary participated in The World Summit on the Information Society International Forum under the theme "Information and Communication Technologies for achieving the Sustainable Development Goals". The WSIS Forum took place in Geneva. Prof. Cellary was invited to participate in the WSIS Forum by the President of the Office of Electronic Communications, a Polish regulatory authority responsible for telecommunications and postal activities, frequency resources management and compliance with the criteria related to electromagnetic compatibility. As part of the Forum, there was a workshop "Emerging technologies in how to maximize benefits for societies and economies", during which prof. Cellary presented a lecture entitled "Teaching for Economy 4.0".