Business people and Engineers .. are we like cat and dog? In the past it look like it could be like that. We were living in separate worlds, and to be sincere we did not care much to approach the other world from our side, and either from theirs. I do not need to explain why was that, but briefly for the lucky ones who lived that period for a short time or did not live those times at all we can simply say that business people needed to deliver something quick, did not have much time to share their view. Developers just wanted to receive a document with the information we need to do something and do that thing on time, and that thing on time could be a project that in most of the cases was estimated from someone who did not have enough information to know how long it will take. Also we did not have enough knowledge and information about why something was needed, we just knew what they need, not why. What have changed now? In this new world of agile development we are working togeth...