What is Cloud Computing?

Cloud computing transformed the technology industry by shifting from capital expenditure (buying hardware) to operational expenditure (paying subscriptions). The three main models are IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software as a Service). Major providers include AWS, Google Cloud, and Microsoft Azure.

For consumers, cloud computing means your data and applications are accessible from anywhere. For businesses, it means scalable resources without managing physical infrastructure. Most modern subscription services run on cloud infrastructure.