This document discusses how cloud computing can improve business agility and reduce IT spending. It argues that adopting a free market approach to allocating IT resources within organizations, by allowing business units to purchase services from multiple suppliers on the open market, leads to greater efficiency compared to a centralized planning model. While cloud computing makes individual workloads less expensive, organizations may end up spending more in total as cloud adoption enables new applications and greater overall consumption of IT services, in line with Jevons' Paradox.