Serverless computing has revolutionized the process of building and deploying modern applications. It offers a demand-driven approach to backend services, eliminating the need for users to manage supporting infrastructure. With auto-scaling capabilities, serverless services allow businesses to pay for the exact resources they utilize, leading to cost optimization. Although servers are still utilized, developers are relieved of the responsibility of server management and monitoring.

Historical Context

In the early days of the Internet, creating a web application required purchasing expensive and bulky hardware to run a server. The introduction of cloud computing allowed users to remotely rent fixed quantities of servers or server space. However, this often led to over-provisioning to avoid exceeding monthly limitations due to sudden increases in traffic. Cloud providers introduced auto-scaling models to address this issue, but unexpected spikes in activity like DDoS attacks remained costly. 

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