At its Agentic World summit on October 6, 2026 Treasure AI launched Personalization Studio for real-time website personalization without a developer, and an engagement-based price in place of per-email pricing.
A MarTech guide of October 9, 2026 says a BAA covers only the vendor that signs it, that HIPAA regulates entities rather than data, and that tracking class actions and FTC health-data rules still apply to non-HIPAA brands.
On October 1, 2026 Advocate General Laila Medina advised that a diocese which struck through a man's baptism record but left it legible had not erased it, and must show compelling grounds to keep it (Case C-12/25).
Italy's Garante fined IQVIA Solutions Italy EUR 7 million (decision of September 23, announced October 2, 2026), finding a database of about one million patients from roughly 800 doctors was pseudonymised, not anonymous.
Reddit announced on September 30, 2026 a timeline that ends public Data API access in March 2027: new requests stop October 31, RSS ends November 13 and unregistered apps begin losing access January 12, 2027.
Lunio's October 6, 2026 report on more than five million education-sector clicks found competitor-brand campaigns at 9.3% invalid traffic against 4.7% for generic ones, and a sector rate rising from 4.08% to 5.42%.
Advertisers can now start Conversion Lift studies for Search and Performance Max without a Google representative, with a $5,000 minimum budget. Google also changed how a view counts for Demand Gen display ads.
A study published September 30, 2026 analysed 1,934 Kroger ads on Meta and DV360. It says creative following the recommendations converted about four times better and that reallocating spend could double conversions.
A September 2026 essay by measurement lead Karan Dhir revisits a 2023 Marketing Science study of 663 Facebook experiments: median lift for upper-funnel campaigns was 29% in randomised tests but 83% under double machine learning.
A preprint by Niklas Heusch, submitted August 21, 2026, finds a conventional MMM reported paid search ROAS of 10.61x against a true 4.20x on synthetic data, while a method built on four geo-experiments recovered 4.14x.