In the nearly fifteen years since the Agile Manifesto was written, agile software development has slowly and steadily become the most prevalent approach to building software. The values and principles of the agile manifesto have been an inspiration to software development teams across a multitude of industries. The practices and techniques that align with these values and principles have resulted in better project outcomes, higher customer satisfaction, more engaged team members and higher quality products.

Source: Bring Agile Beyond IT « Software Education Blog