from #DigitalEconomy (Web 3.0) to #FusionEconomy (Web 4.0) #DigitalUniverse to #Metaverse

https://flatworldbusiness.wordpress.com/flat-education/previously/web-1-0-vs-web-2-0-vs-web-3-0-a-bird-eye-on-the-definition/ 

https://www.igi-global.com/dictionary/overview-differentiation-evolutionary-steps-web/35103

https://en.itpedia.nl/2018/11/12/web-4-0-the-internet-of-things-en-ai/

https://medium.com/@tuhfatussalisah/world-wide-web-from-web-1-0-to-web-4-0-and-society-5-0-48690a43b776

Almeida, Fernando. (2017). Concept and Dimensions of Web 4.0. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY. 16. 7040-7046. 10.24297/ijct.v16i7.6446. 

https://www.researchgate.net/publication/321366810_Concept_and_Dimensions_of_Web_40

https://www.businesstimes.com.sg/opinion/goodbye-digital-age-hello-fusion-era