Meta changes click-through attribution to count only link clicks for website and in-store conversions, ending years of measurement misalignment with third-party tools like Google Analytics.

IAS expanded brand safety measurement to X profiles in January 2026, the same period X began deploying Grok AI as a pre-bid scoring engine to rebuild advertiser confidence lost since 2022.

X deploys Grok AI for brand safety scoring, claiming 99%+ safety rates and 97%+ suitability scores as the platform tries to recover $1.18B in lost ad revenue.

Meta filed multiple lawsuits on February 26, 2026 against scam advertisers using celeb-bait and cloaking tactics in Brazil, China, and Vietnam, while issuing cease and desist letters to eight marketing consultants.

ODDITY Tech reported record full-year 2025 revenue of $810 million while disclosing a severe disruption in user acquisition costs linked to algorithm changes at its largest advertising partner, triggering a stock collapse that has wiped over 66% of the company's market value in a single month.

UK's ICO fines Reddit £14.47m for failing to verify users' ages and processing children's data without a lawful basis, marking a significant UK enforcement action.

Reddit is testing interactive product carousels inside its search results for a small group of U.S. users, pulling from Dynamic Product Ads partner catalogs and community discussions to surface buy links.

Germany's BVDW calls for media literacy and risk-based age verification to protect minors online, backed by a Civey survey of 2,500 people conducted February 3-4, 2026.