A woman looks at her smartphone during the Global Mobile Internet Conference at the National Convention Centre in Beijing, April 28, 2016. China is one of the countries where mobile ad blocking is most widespread, according to a report from PageFair. PHOTO: NICOLAS ASFOURI/AFP/GETTY IMAGESLast year, the advertising technology company PageFair put the fear of God into publishers and advertisers across the world with some startling research: Ad bloc



