Media reports of ads by top brands appearing next to extremist content on YouTube have surprised advertisers and led to a barrage of criticism from other media companies, agencies and the UK government

Despite several advertisers pausing spend, the revenue impact for Google is likely to be small in the short term – but the debate is a symptom of ongoing tension between “frenemies”: large agencies and Google & Facebook 

By urging Google alone to educate display advertisers and filter campaigns, agencies risk ceding more of their client relationship to the advertising giant, while calls for the platform to make all editorial judgements on political content are inappropriate

Amazon’s marketing services bring in a growing stream of direct, high-margin revenue, but their main role is still in supporting vendor partnerships

Amazon uses customer profile data to profit from its own media and that of others, illustrating the value of a direct customer relationship in online advertising

In the future, Amazon’s moves into video content and voice interfaces are likely to significantly expand ad inventory, but maintaining the trust of shoppers is not straightforward

Streaming is now mainstream and we predict 113% growth in expenditure on subscriptions for 2015-18 in the top four markets (US, UK, Germany and France)

Free vs paid-for streaming is the central question for the music ecosystem: free yields fractions of pennies, making subscription the only credible business model

Market leader Spotify is facing competition from tech giants Amazon, Apple and Google, with deep pockets, for whom content is a pawn in a larger game