Krzysztof Walczak, Ph.D., attended an international conference The 21st Annual International Conference on 3D Web Technology ACM Web3D 2016, which was held at Anaheim, California, USA, from July 22 to July 24, 2016. Prof. Walczak served as a General Chair of the Web3D Conference. He served also as a moderator of the panel session „The Future of VR Web”, and he chaired a session entitled "Interactive 3D Applications". The ACM Web3D conference is a major event which unites researchers, developers, entrepreneurs, experimenters, artists and content creators in a dynamic learning environment. In recognition of the perfect organization of the conference Web3D 2016, the 2018 edition will be hosted by The Poznan University of Economics and Business, with Krzysztof Walczak as a General Chair as well.