How Microsoft’s Satya Nadella Became Tech’s Steely Eyed A.I. Gambler

How Microsoft’s Satya Nadella Became Tech’s Steely Eyed A.I. Gambler

Microsoft’s all-in moment on artificial intelligence has been defined by billions in spending and a C.E.O. counting on technology with huge potential and huge risks.
Amazon Says It Reached a Climate Goal Seven Years Early

Amazon Says It Reached a Climate Goal Seven Years Early

The company said it effectively got all of the electricity it used last year from sources that did not produce greenhouse gas emissions. Some experts have faulted the company’s calculations.