Total digital ad spend grows 13.4% to touch £4bn in first half of 2015
Mobile spend up 51%, accounts for nearly 80% of the rise in digital ad revenues
Advertisers spent a record £3.98 billion on digital advertising in the first half of 2015 – up 13.4%¹ year-on-year – according to the latest Internet Advertising Bureau UK Digital Adspend report, conducted by PwC