S4 Capital’s Sir Martin Sorrell: India is increasingly seen as an alternative to investment in China

Sir Martin Sorrell said that by 2050, 3 of the world's largest economies, China, India, and Indonesia will be in the top five.

Martin Sorrell, currently Executive Chairman of S4 Capital and former CEO of WPP shares his views on how the past year’s woes and opportunities shaped the advertising and media landscape.