Jim is a pioneering software developer who was one of 17 original signatories to the Agile Manifesto. His first engineering job was on a little NASA program you may have heard of: Project Apollo.His latest book is Wild West to Agile: Adventures in software development evolution and revolution; get your copy here.Find Jim on LinkedIn or his website.Today’s Lifeboat badge winner is nCod3d for answering How can I find how many useful digits are in any given a number N?. Thanks for spreading some knowledge.