Building Rich Internet applications can take a long time for those who do not have whole teams of newly graduated programmers. For those who are trying to put a rich application together with efficiency and in a time frame that is realistic there is a solution. The name of the program is “Flex“. Flex is a flashed based programming environment which uses XML as a main datasource. Once you have mastered Flex, you can build very functional and useful applications that run via the internet. With the advent of Adobe Air, you can also deploy these applications for use on desktops. I do not consider myself and advanced PHP coder and yet I have built some very complex applications. One application that I built was an online course creation system which enabled someone to build online courses without having to know any coding/html. I built this for a company who delivers online courses on many subjects. They privately use it for course creation. I have also built whole admin systems...