Scrum method

In the early days of software development the usual waterfall method used to manage projects turned out to be inefficient and problematic for the development teams. As software development is different from other kinds of projects e.g. building a house, where every detail has been planned in advance, software oriented project can be constantly changing along with the needs of the customer. It is can be difficult and complicated to describe to a programmer which functions you want in a program and how they should work and more than often the outcome of the project does not satisfy the customers need