The notion of a thermal optimum persists There is an underlying assumption that the best thermal environment never needs to be noticed, and that once an objectively "comfortable" thermal environment has been provided, all of our thermal needs will have been met. The use of all of our extremely sophisticated environmental control systems is directed to this one end—to produce standard comfort zone conditions. Lisa Heschong, Thermal Delight in Architecture heatcomfortenvironmentux
Welcome changing requirements Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage. Manifesto for Agile Software Development A late change in requirements is a competitive advantage planning