Index Exchange is to press pause on a controversial real-time bidding (RTB) tactic known as “bid caching” after an impassioned debate kicked off last week. The ad exchange has contacted partners claiming it is now “pausing [its] use of bid caching and concentrating on communication and education.” This follows a near week-long debate over the… https://www.adweek.com/digital/index-exchange-halts-controversial-bid-caching-following-investigation-and-impassioned-debate/