In his September keynote address at an event in Mexico City, Microsoft (MSFT) CEO Satya Nadella explained why the company had made another $1.3 billion investment in the country’s artificial intelligence programs: “We are entering a new era of A.I.,” Nadella said. “With the promise to create inclusive economic growth and opportunity across every role, industry, and country.” The dawn of this new A.I. is transformative. Our tools are powerful enough that ideas that once took years of repetitive...