Microsoft and AWS, according to IDC, are the top vendors for the public cloud service market in 2020. The market grew by 24.1% in the year with a cumulative earning of nearly $312bn. AWS and Microsoft, both, held a 12.8% revenue share during the period. The top 5 cloud service providers, together, captured 38% of the global market size with 32% growth YoY. SaaS apps dominated with 65% of the total market size and revenues of $148bn in 2020.