CIOs and other tech decision makers face a positive economic environment, but an uncertain political environment in 2017 and 2018. Growing consumer spending and business investment will keep CIOs focused on the business technology (BT) agenda for winning, serving, and retaining customers. BT adoption, in turn, is pushing cloud-enabled changes in back-office systems and infrastructure. Meanwhile, a new administration in Washington raises the possibility of major changes in tax, trade, and regulatory policies. This report lays out Forrester's analysis of how these conflicting forces will affect US tech markets in 2017 and 2018 and how CIOs should position their firms' tech spending plans.