Before we start explaining what .Net is? Lets discuss about Internet on business organization. There are three phases of Internet.

Here .net comes into picture, which is designed by Microsoft people, which provide to build net based application which connect peoples and data at remote locations through any devices (i.e. laptop, mobiles, and pda)

NET is the Microsoft Web services strategy to connect information, people, systems, and devices through software. Integrated across the Microsoft platform, .NET technology provides the ability to quickly build, deploy, manage, and use connected, security-enhanced solutions with Web services. .NET-connected solutions enable businesses to integrate their systems more rapidly and in a more agile manner and help them realize the promise of information anytime, anywhere, on any device.

The Microsoft platform includes everything a business needs to develop and deploy a Web service-connected IT architecture: servers to host Web services, development tools to create them, applications to use them, and a worldwide network of more than 35k Microsoft Certified Partner organizations to provide any help we need.