Programmatic Reborn: IAB Tech Lab Completely Overhauls OpenRTB Spec

To make the OpenRTB spec more secure, the IAB Tech Lab broke with the old standard, meaning OpenRTB 3.0 is not reverse compatible. Source: https://adexchanger.com/ad-exchange-news/programmatic-reborn-iab-completely-overhauls-openrtb-spec/