Digital Ad Spending Tops $40B In First Half, IAB Reports

Mobile took 54% of total digital ad revenue in the first half this year, up 22% from first-half 2016. Advertisers spent $21.7 billion on mobile during the first half of 2017 — up 40% from $15.5
billion in first-half 2016 and surpassing the $8.2 billion reported two years ago in first-half 2015.