How internet marketers, from Amazon to Uber, are driving growth in global ad spending

Procter & Gamble reclaims the No. 1 spot in the Ad Age World’s Largest Advertisers top 100 ranking, while internet-age companies from Amazon and Alibaba to Tencent and Uber are driving global ad-spending growth.

Link de la noticia: 
https://adage.com/article/datacenter/how-internet-marketers-amazon-uber-are-driv...