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- Cannes Lions: live from the Guardian speakers' loungeHavas CEO Yannick Bolloré: tech is now a big part of our business - video
Yannick Bolloré, chairman of the communications company Havas, joins the Guardian's Mark Sweney in the Speakers' Lounge at the Cannes Lions advertising festival. He discusses the failed Publicis-Omnicom merger and why advertising firms are increasingly acquiring technology start-ups