Cookie syncing is the process by which two ad tech companies map their separate cookie IDs for one browser, so a buyer can recognise a user in a bid request.

Seller-defined audiences are publisher-built segments sent in bid requests as IAB taxonomy codes instead of user IDs. How it works and where it falls short.

RetailX's UK500 and CustomerX Index move under EMARKETER, joining its new AI Visibility Index. A US edition of the CustomerX rankings follows within weeks.

Identity resolution is the process of deciding which emails, devices, cookies and addresses belong to one person or household, then assigning them a shared ID.

Views fell 79 percent for LISA's track in its second week, while Dai Dai reclaimed the lead with fewer views than before it lost the top spot in week fifteen.

Certifications rose 43% overall and 80% for telehealth providers, the credential Google Ads requires in 11 markets. Why is approval growth trailing demand?

18% of uncommitted voters say they avoid personalised ads, 2 points above Republicans, with no sample size given. What can $13.8bn in midterm ads still reach?

After an AI recommendation, 44.7% of 1,008 US consumers usually visit the brand's site, yet 53.8% skip sites mid-research. Where are buying decisions now made?

Over 800 brands managing $7bn via Smartly can now run LinkedIn campaigns there. Still undisclosed: launch markets, ad formats, pricing and LinkedIn's own view.

Arc Loop feeds Google Ads, HubSpot and BigQuery results to big brands' agents. Meta and Amazon data have no named route in, a gap for social and retail spend.

Agencies buying in Belgium, Poland, Egypt and Singapore were inside Amazon's 34-market DSP map by July. South Africa was not. What does the console change add?

Zero test figures in a three-page, seven-author paper, while creator channels get judged as whole clusters. Does any of it feed into the September spam update?

Cologne judges also barred pre-ticked ad consent boxes and default alcohol and gambling ad topics for teenagers. Can chatbot prompts still steer ads in Germany?

Individuals now bear the burden of proof on automated decisions under the UK's 2025 Data Act, the charity argues. Will DSIT reopen those rules after its review?

Up to $5,000 per count puts Meta's penalty ceiling at $219.5bn across 26 statements from 2010 to 2021. A Santa Fe judge, not jurors, will set the final sum.

Legitimate interest: the GDPR legal basis letting companies process personal data without consent, provided a documented three-part test weighs in their favour.

A joint controller is one of two or more parties that together decide why and how personal data is processed, sharing GDPR duties and liability as a result.

Contextual advertising picks ads from the content on screen, not the person viewing it. How pages are classified and traded, and where the method is contested.

A mobile advertising ID is a resettable string that iOS and Android assign to a device, so apps and ad platforms can recognise it to target and measure ads.

Sponsored ads reached 47% of ChatGPT video game chats by June as AI Overviews covered 39.4% of Google desktop searches. Which sources still get the citation?