Customer satisfaction by rapid, continuous delivery of useful software �> Working software is delivered frequently (weeks rather than months) �> Face-to-face conversation is the best form of communication �> Close, daily cooperation between business people and developers �> Working software is the principal measure of progress �> Continuous attention to technical excellence and good design �> Simplicity �> Regular adaptation to changing circumstances �> Self-organizing teams �> Projects are built around motivated individuals, who should be trusted �> Even late changes in requirements are welcomed (this does not mean code & run. Instead removing an existing feature or moving a deadline forward to accommodate late/unplanned feature requestsa |