On December 13, 2023, we explored the ever-evolving landscape of TV metrics. As individual commercial metrics become available for linear TV, in addition to the existing C3 and C7 metrics, there are various options that can be considered for defining commercial impressions with the more granular sub-minute data that is now available. Attendees learned how compared with panel-only results, combined panel and big data results significantly reduce the incidence of zero-rated audiences and show slight increases in overall viewing levels.