agile 9 Fail fast, fail cheap, fail well: learn faster Oct 9, 2019 Agile Origins Dec 12, 2017 Extreme Programming. Corollary Practices Nov 30, 2017 Extreme programming. Primary practices Nov 30, 2017 Extreme Programming. Principles Nov 27, 2017 Extreme Programming. Intro & Values Nov 25, 2017 Kaizen Sprint Retrospectives Jun 19, 2016 Making software architecture more agile Oct 23, 2015 #NoEstimates movement Sep 22, 2015