Ad tech provider OpenX is launching "real-time guaranteed" technology (RTG), a mix of open and private marketplaces that “combines the efficiency and precise targeting of real-time bidding with the guaranteed business terms that are typical for direct-sold media”, says OpenX GM Paul Sternhell in an interview with Beet.TV. Unlike private auctions, RTG allows publishers to sell ads with guaranteed volume commitments, but using real-time bidding (RTB) technology for greater efficiency.