BIA/Kelsey: Search Leads In Mobile Ad Formats by Laurie Sullivan @lauriesullivan, February 10, 2017 BIA/Kelsey expects advertisers to spend nearly 16 billion this year on mobile search advertising, up from 12 billion in 2016. By 2021 that forecast could reach as much as $23 billion in 2021, contributing 32% of revenue to mobile search. Overall, … Continue reading BIA/Kelsey: Search Leads In Mobile Ad Formats →