User experience is a subject that deals how a person interacting with a machine is affected, what their feelings are and how it might change them in any way.When developing anything, a product, a service, what have you; It starts with building something and releasing it to some users, then you can begin watching and seeing the interactions taking place from your perspective, and finally you can begin to ask the users questions about how it is all going along: This final step deals with user experience directly and the knowledge gathered is very important during every other stage.
