Despite recent events, Google and Facebook still dominate in terms of global advertising revenues, yet there's growing talk of a rapidly rising challenger to the infamous duopoly. Predicted by J.P.Morgan to increase its ad revenue year-on-year by a hugely impressive 61% from $2.8 billion in 2017 to $4.5 billion in 2018, this rival to the big two is not another search engine or social media channel, it's a retailer – and that retailer is Amazon.
Amazon's ad revenues are growing faster than almost every other major ad publisher, according to eMarketer, which predicted that about a quarter of its US...