According to Gartner, Inc., the world's leading research and advisory company, the worldwide public cloud services is forecast to grow 17% in 2020. This is significant projected growth and a good indicator that the cloud is reliable, trustworthy—and necessary.
Have a look at this report, which also forecasts infrastructure as a service (IaaS) to grow 24%--the highest growth rate across all market segments. The report attributes the growth to "the demands of modern applications and workloads, which require infrastructure that traditional data centers cannot meet."
Read the press release and summarized findings here.