Fashion underpins the growth of ecommerce; online took a 14% share of all fashion retail in the UK last year and is set to rise further, challenging the economics of physical retail 

Mobile is a key driver, it is changing research and shopping habits, and in turn affecting supplier product cycles, merchandising and marketing strategies 

Social media has disrupted the traditional shopping funnel, changing how trends and styles proliferate and shifting the sites of authority and influence in a £66 billion sector

The Bank of England predicts a mild decline of real household consumption growth to 2% in 2017, as higher inflation chews at disposable income

City forecasters are more circumspect on consumption growth, and we agree that households are likely to display more caution on expenditure relating to non-essentials

Retail sales, a bellwether for advertisers, look subdued in the New Year, and we maintain our forecast of flat advertising expenditure growth in 2017