Founder, WPP - Sir Martin Sorrell

Published: June 26, 2015, 3:38 p.m.

A special edition of Hardtalk from Cannes, which is currently hosting the world\u2019s advertising industry. Thanks to the internet, advertising and marketing now have the ability to reach deep into the fabric of our lives. No one has exploited that better than today\u2019s guest \u2013 Sir Martin Sorrell, the founder and CEO of the giant advertising conglomerate, WPP. The ad industry is extraordinary powerful, but is it responsible?

(Photo: WPP Group CEO Sir Martin Sorrell at FOX Studios in New York, 2015. Credit: Slaven Vlasic/Getty Images)