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. … Continue reading Sir Martin Sorrell: AI, Geopolitics and Efficiency are Reshaping Advertising’s Future