Having invested time and energy into your application, nothing could be more exciting than seeing it gain popularity, and seeing your user base grow. However the success of your application could also turn into your worst nightmare! What if the site cannot cope with the load and collapses under its own weight? The ability to grow (and shrink) according to the needs and the available resources is an essential part of designing applications. In this talk we'll cover the fundamental elements of scalability, including aspects involving people, processes and technology. With sound and proven principles and some advice on how to shape your organisation, set the right processes and design your application, this session is a must-see for developers and technical leads alike.