These programming techniques involve being able to seamlessly update a Web page or a section of a Web application with input from the server, but without the need for an immediate page refresh.

Why use Flex?

• Less Time spent waiting for data to be transmitted.
• Less Time spent completing a particular task.
• Less Bandwidth consumed for the entire task.
• Fewer Steps to complete a task.
• The ability to develop richer user interface (because of the lower traffic required).
• Improved application responsiveness.