Businesses are finding AI hard to adopt

“FACEBOOK: THE INSIDE STORY”, Steven Levy’s recent book about the American social-media giant, paints a vivid picture of the firm’s size, not in terms of revenues or share price but in the sheer amount of human activity that thrums through its servers. 1.73bn people use Facebook every day, writing comments and uploading videos. An operation on that scale is so big, writes Mr Levy, “that it can only be policed by algorithms or armies”.