IAB Tech Lab is introducing updates to OpenRTB to address the growing need to define live content in programmatic channels, according to [MarTech](https://martech.org/iab-tech-lab-updates-openrtb-to-better-define-live-content/). The standards body announced new attributes for describing live content and enhancements to substitution macros for pricing and discounts, with these changes open for public comment through late May.
The updates add two optional fields and clarify an existing one in...