GLOSSARY OpenRTB (Open Real-Time Bidding) A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Standard protocol enabling real-time auction for buying and selling digital ad inventory. Back to index Related concepts O&O (Owned and Operated)Omni-channelOn-Device ProcessingOnline advertisingOpen AuctionOpen ExchangeOpenRTBOpt-in