Standards need to be re - defined to ensure that mobile ad viewability is 100 % . Currently the Media Rating Council guidelines state that a mobile ad can only be deemed viewable if at least half of the ad is in view for a minimum of two weeks . According to eMarketer , mobile ad spend a top $ 100bn worldwide by 2020 , accounting for 72 % of all US digital ad sales by 2019 .
Standards need to be re-defined to ensure that mobile ad viewability is 100%. Currently the Media Rating Council standards state that a video ad can only be deemed viewable if at least half of the ad is in view for a minimum of two seconds. According to eMarketer, mobile ad spend will top $100bn worldwide by 2016, accounting for 72% of all US digital ad spend by 2019.