IDC reports that Software as a Service (SaaS) is the largest category of public cloud by market value, although Platform-as-a-Service is growing faster, and that the United States still represents over half of all public cloud spending, although spending in other regions is catching up.
According to IDC Worldwide Semiannual Public Cloud Services Tracker, the worldwide public cloud services market grew 29% in 2017, reaching a total of $117 billion....