WPP’s Sir Martin Sorrell: ‘Tentacles’ of Amazon could strangle Google

Sir Martin Sorrell believes Amazon could threaten Google as the biggest benefactor of ad spend, saying that the e-commerce giant’s “tentacles are spreading rapidly into all areas”.
Speaking at Mobile World Congress, the WPP chief executive discussed the online giant’s allure to advertisers at a time when demand for its biggest asset – customer data – is at a high now that advertisers are starting to understand how best to leverage those insights for sharper ta