I’m often asked what the key to being “agile” really is, and over the years I’ve managed to come up with a clear and concise answer: accepting uncertainty is the key to agility. It is perhaps the single most fundamental culture change that companies must go through when making a true transition to Agile development, and it’s often the biggest stumbling block that prevents them from fully becoming agile. You can see this in so many anti-patterns of Agile development: long-term, s...