in $$The Internet $$Cloud Computing$$ Model: Hardware and Software as a Service$$ section. Jitesh Ghai, Chief Product Officer of Informatica, discusses the evolution of cloud technology. Informatica is an US$-$based software development company that focuses onenterprise data management and analytics and data integration, both $$on$-$premises$$ as well as in the cloud. Informatica currently has more than $5,000$ active customers and processes more than $53$ trillion cloud transactions per month.

$4)$ What does Ghai say about the evolution of cloud technology?