Facebook angers ad buyers over viewing time miscalculation

Facebook has attracted the wrath of advertising buyers and marketers after overestimating the average viewing time spent on the platform for two years running, according to a report in the Wall Street Journal. Facebook revealed a number of weeks ago on its advertising help centre that the metric it used to calculate average viewing time […]

Twitter and Publicis sign major ad deal

Twitter has signed a major ad deal with Publicis’ Starcom Media Vest Group, reported to be worth “hundreds of millions of dollars” in the coming years. The news, first reported by the FT but acknowledged by Starcom CEO Laura Desmond, hints at the increasingly close relationship between Twitter and the TV industry, and the micro-blogging […]