The main feature of cloud computing services is the ability to provide on-demand access to computing resources over the Internet. This includes storage, processing power, and various services without the need for physical hardware management. Cloud computing enables businesses to scale their resources according to fluctuating demands, offering flexibility and cost savings. By leveraging cloud models such as Infrastructure as a Service (IaaS) and Software as a Service (SaaS), organizations can enhance collaboration, streamline operations, and focus on innovation.