People need web applications for a variety of reasons. Here are some of the most common ones:

Convenience: Web applications can be accessed from anywhere with an internet connection, making them convenient for users who need to access their data and tools on the go or from different devices.

Scalability: Web applications can be easily scaled to accommodate growing numbers of users or data. This makes them ideal for businesses or organizations that need to accommodate a growing user base or handle increasing amounts of data.

Collaboration: Web applications can facilitate collaboration and teamwork by providing a platform for users to share data, documents, and other resources.

Automation: Web applications can automate repetitive tasks and streamline workflows, making them more efficient and productive.

Customization: Web applications can be customized to meet the specific needs of individual users or organizations. This means that users can tailor their experience to their own preferences and requirements.

Cost-effectiveness: Web applications can be more cost-effective than traditional software solutions because they don't require installation or maintenance on individual devices. Additionally, web applications can often be developed and deployed more quickly than traditional software.

In summary, people need web applications for their convenience, scalability, collaboration, automation, customization, and cost-effectiveness. Web applications provide a versatile platform that can be tailored to meet the needs of a wide range of users and organizations.