Agile is more than project management, more than business alignment and vision, more than correct team dynamics, it lives deep in the heart, mind, and code of agile developers. This is a fresh perspective of agile, focusing on what it means to be an agile developer and what tools, techniques, disciplines need to be mastered. We will review the principles of agile and many of the proven skills that lead to truly agile development as well as the common misconceptions and mistakes that lead to....well...not agile.