Sparking some jealousy across the pond, it seems the UK’s leading broadcasters have agreed on a unified advertising metric for live, on-demand and time-shifted impressions. The chosen standard is NBCUniversal’s C-Flight, which will provide a post-campaign online evaluation tool to show media buyers their ad exposure from the start of Q4 this year. C-Flight combines linear commercial impact data and broadcaster VoD impressions, packaging this data into a post-campaign evaluation tool for any broadcaster that runs a VoD service. This is a UK-first, and words at a recent webinar from the C-Flight leadership suggest that this is the largest pan-broadcaster media measurement effort conducted anywhere in the world. What seems like a simple outcome – reporting a broadcaster’s VoD ad…