Scrum - managing software projects and product

Scrum - is an iterative and incremental agile software development method for managing software projects and product or application development. Scrum has not only reinforced the interest in project management[citation needed], but also challenged the conventional ideas about such management. Scrum focuses on project management institutions where it is difficult to plan ahead. Mechanisms of empirical process control, where feedback loops that constitute the core management technique are used as opposed to traditional command-and-control oriented management.[citation needed] It represents a radically new approach for planning and managing projects, bringing decision-making authority to the level of operation properties and certainties.[1]

Reference:
http://en.wikipedia.org/wiki/Scrum_(development)