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

Vodafone Europe’s mobile service revenue growth worsened to -0.6% from -0.2% in the previous quarter, the first deterioration following at least nine quarters of consecutive improvement, with the UK particularly weak

The company could nonetheless grow profits handsomely if revenue growth stabilises at this level, with more clarity on the medium term prospects for this likely to come with next quarter’s results and guidance for 2017/18

Our main concern continues to be the company’s declining subscriber share, particularly in consolidating markets where its historic advantages of having high market share may be rapidly eroded