GA4 Misses 66% of Orders, Meta Rebuilds Ad Ranking

GA4 could be hiding two-thirds of your holiday sales data — and Meta just rebuilt every ad auction with LLM technology. Two urgent reads before Black Friday. In this episode: An audit of eight ecommerce brands found GA4 missed 66% of one retailer's holiday orders, with experts urging all retailers to verify their data before Black Friday budgets are set. Meta replaced its ad ranking system with large language models that score over one billion ads per second, also upgrading its Andromeda retrieval and GEM engagement systems in a foundational infrastructure overhaul. EU customs agencies seized a record 196 million suspected counterfeit items last year, increasing regulatory pressure on marketplace operators and cross-border ecommerce platforms selling into Europe. The Digital Commerce Daily is a concise briefing for ecommerce, retail media and digital commerce professionals, hosted by Marco & Klara. New episode every day. Enjoying the show? A quick rating or review on Apple Podcasts or Spotify helps other marketers find us. Also from Marco & Klara: The FMCG Marketing Daily · The Health Marketing Daily