The most important expectation of the users is to access and use their programs with the smallest effort possible. Nowadays this expectation is satisfied by web applications mostly. They don't need to be installed on the computer and they don't need any extension tools. The only two things that are required to run a web application is a stable internet connection and a modern browser. If these two requirements are satisfied we can get our favorite applications by typing a web address in the browser. In developed regions like Europe, North America, East Asia and Australia these two requirements are commonly satisfied. It's not surprising that most popular technologies to develop applications are web technologies. Watching movies, listening to music, viewing and editing documents, playing games. Just a few example from such activities that take place in browsers.