Reading catalog drift before it breaks promos

Catalog drift is the quiet failure mode of retail targeting. Merchandising renames a color family, a supplier swaps packaging, and downstream audiences inherit labels that no longer describe inventory reality. We coach teams to run a weekly “signal handshake” between catalog owners and CRM operators: three checks, ten minutes, documented outcomes. The first check compares top-selling SKUs against audience definitions that reference those SKUs. If the definition still points at retired variants, you pause dependent promos—not because of drama, but because mislabeled urgency creates noisy sends. The second check scans promo badges on PDPs against the same SKU set; mismatched badges are often the fastest visual clue that something drifted. The third check is conversational. Ask merchandising one question: “What changed this week that media should not assume?” Capture the answer in a single sentence your media briefs can quote. This keeps operational language honest and reduces rework. None of this replaces your governance policies—it gives you an early warning layer that respects operational bandwidth.