Meta reported 3 sales and 16.2x; Shopify and GA4 showed zero for the same week. We put three sources side by side, corrected a mistake in our own proposal, and found Meta's real assisted share.

Our own proposal claimed a 68% pixel over-count; it was wrong (raw pre-dedup totals). We corrected it on page one of the first monthly report.
Week 1: Meta 3 sales / 16.2x; Shopify and GA4 zero. We reported the till. A week later, full-journey attribution showed Meta touched 3 of 12 orders (₺14,100); one order took 18 days and 13 touches.
Period end: Meta ₺150,714 + Google Ads ₺63,900 + organic ₺164,221 = ₺378,835 vs real revenue ₺258,146 — panels sum to 47% above the till. Five questions to ask of any ads report.