Global Cloud Billing Market Gathered Around USD 4 Billion in 2021 and is Expected to Grow with a CAGR of ~17% During 2022-2031; Market to Grow on Account of Rising Trend of Workplace Virtualization and Operational Simplification New York, Aug. 02, 2022 (GLOBE NEWSWIRE) -- In 2020, there were about 7.4 billion mobile subscriptions worldwide. Also, there were 7.5 billion mobile users including smartphones (6.3 billion) users...