The Web moves fast, really fast. No one talks about what version of a web site you are using. Maybe you are using the beta version. Even then, it is always new. The Web is obsessed with new. It thrives on new. To meet this demand, in the early years of the web, teams learned a new way to deploy their software. Rather than the traditional models used by compiled, installed software, these pioneers on the Internet deployed software when it was ready. That meant Web sites could be responsive to changes, fix bugs quickly, and add new features to compete with the market. This method is still alive today. Successful web companies still do this to keep their advantage. While there are no set rules, there are good examples of what others do and how it helps them be successful.