The IT services industry is in the middle of a fundamental transformation of who it sells to, what services it sells, and how it delivers those services. Upstart vendors specializing in new technologies like predictive analytics, big data, and mobile are going around IT departments and incumbent suppliers by selling to business decision-makers. Meanwhile, IT is consolidating its mix of providers in traditional service areas like applications outsourcing to wring out volume discounts from surviving vendors. In this document, we outline the key changes on both the demand side and supply side of IT services and highlight how CIOs can best prepare their organizations for these changes.