This document discusses how IT agility can help businesses adapt to an uncertain environment. It argues that traditional IT, which aimed to support predictability, must now support uncertainty by becoming more agile. Agile IT principles like rapid adaptation, frequent feedback, and prioritizing customer value through early delivery allow businesses to respond quickly to changing markets and customer needs. The document presents evidence that agile methods can significantly improve business metrics like costs, revenue, and value compared to traditional approaches. It also outlines steps businesses can take to transform into more agile, iterative organizations.