Sir Martin Sorell

CANNES — In a wide-ranging interview during the Cannes Lions International Festival of Creativity, Sir Martin Sorrell, executive chairman of digital advertising and marketing company S4 Capital, outlined a turbulent but opportunity-rich landscape for the advertising industry. Geopolitical instability, rising client demands for efficiency and the disruptive force of artificial intelligence are driving these changes. […]

When The New Yorker writer Ken Auletta decided to take a hard look at companies that are dependent upon advertising, he came away seeing “frenemies” everywhere—all of them facing “existential assault.” The resulting book, being released today after three years of research, is titled Frenemies: The Epic Disruption of the Ad Business (and Everything Else). […]