Many AI technologies can help enterprises engage customers, augment employees’ intelligence, and operate efficiently. Enterprises need four categories of artificial intelligence technologies to sense, think, act, and build the infrastructure foundation to maximize the value of AI. This overview for CIOs provides a collection of and guide to Forrester’s most recent AI technology research; it focuses on market overviews (New Tech and Now Tech), vendor evaluations (Forrester Wave™ and Forrester New Wave™), and Tech Tide™ reports.