Marketers Increasingly Eye Tablet, Mobile RTB Display Ad Inventory

Advertiser interest in purchasing real-time, impression-level inventory has led to explosive growth in ad spending on real-time bidding (RTB) inventory. Media-buying firm Accordant Media found worldwide real-time bidding inventory for banner and video ads across online and mobile placements grew 120% in Q1 2012. Though some countries saw growth rates for RTB ad inventory impressions grow more than 600%, the …