Building upon existing and rapidly evolving technologies and architectures in the field Big Data, IoT, continuum computing, Artificial Intelligence, HCI, etc, new paradigms have emerged such as the Web3.0, the Metaverse, and the Spatial Web. These new and complementary paradigms are moving at speed light from fantasy literature to reality, and probably opening a new thread of opportunities and challenges for existing and emerging industries and our society. How does these 3 terms/paradigms...