1. Stephenson, N.: Snow Crash: A Novel. Bantam Books (1992). ISBN 0-553-08853-X
2. Smart, J., et al.: A cross-industry public foresight project. In: Proceedings of the Metaverse Roadmap Pathways 3DWeb, pp. 1–28 (2007)
3. Sajithra, K., Patil, R.: Social media–history and components. J. Bus. Manag. 7(1), 69–74 (2013)
4. Hendler, J., Berners-Lee, T.: From the Semantic Web to social machines: a research challenge for AI on the World Wide Web. Artif. Intell. 174(2), 156–161 (2010)
5. Menor, D.: Web 4.0 Explained – Defining the Next Big Leap in Tech. Hashdork (2021). https://hashdork.com/web-4-explained/