Metaverse-as-a-Service (MaaS)

As technology gradually evolved, businesses and service providers have transitioned from the one-time fee model to a subscription-based model with increasing pace and frequency. Over the years, several unique business models like Saas (software-as-a-service), IaaS (infrastructure-as-a-Service), and PaaS (platform-as-a-service) have stemmed from the XaaS (Anything-as-a-Service) model.

Sources:

https://coinmarketcap.com/alexandria/glossary/metaverse-as-a-service-maas