Company's shares fell almost 45% on Tuesday as online advertising firm says industry-wide slowdown 'compounded by the lingering effects' of a disparaging Harvard Business School blog
Steve Rose: TV and advertising have always existed side by side. But now that viewers can easily skip breaks, brands are having to find new ways to make sure customers get their message. Can you resist 'native advertising' and 'digital insertion'?
Cannes Lions festival: Actor says lack of web privacy is ‘frightening’ and Russian media has had its ‘spine snapped’ over reporting on anti-gay measures. By Jane Martinson
Ali Gray: Online promotion of films used to be so simple: a few gifs and a grainy clip and you were set. Today, hashtags and social media rule. But what have we lost in the process?