Archive | Open Garden (en)

AI for media

ChatGPT Ads gives French buyers more tools after two months, but context stays hidden

Nov 4, 2026

•

6 min read

ChatGPT Ads gives French buyers more tools after two months, but context stays hidden

Buying partners, conversion optimization and third-party measurement have arrived, but buyers still lack controls, context visibility and some announced features, Jellyfish and Havas Market say.

Nicolas Jaimes

Retail media

Amazon Ads now lets brands target Walmart, Kroger and Sephora shoppers

Nov 4, 2026

•

2 min read

Amazon Ads now lets brands target Walmart, Kroger and Sephora shoppers

The Attain integration feeds Amazon purchase data from rival stores and shows retailers they aren't the only ones who can monetize what they know about their shoppers.

Nicolas Jaimes

Retail media

Oct 23, 2026

•

3 min read

Unlimitail signs Coopérative U, tightening its hold on French grocery retail media

From January 2027, Unlimitail will sell U's digital ad inventory alongside Carrefour's, and buyers will judge the deal on retailer choice, pricing and self-service access.

Nicolas Jaimes

Open Media

Apple's iOS 27 block wipes out ad IDs, but the cost is still hard to pin down

Oct 20, 2026

•

4 min read

Apple's iOS 27 block wipes out ad IDs, but the cost is still hard to pin down

After French ad monetization platform Hubvisor flagged a drop in bid responses, a Pubstack analysis shared with Open Garden tracks several identifiers disappearing on iOS 27. Apple is now spelling out the tracking it wants to block, while the impact on CPMs remains hard to isolate.

Nicolas Jaimes

Open Media

SSPs are answering 30% fewer ad requests on Safari iOS, and Apple may be why

Oct 14, 2026

•

2 min read

SSPs are answering 30% fewer ad requests on Safari iOS, and Apple may be why

The drop, flagged by French ad monetization platform Hubvisor, began Oct. 1, two weeks after iOS 27 shipped, timing that fits a blocklist Apple can update remotely.

Nicolas Jaimes

AI for media

The media buyer of 2030 trades execution for judgment

Oct 14, 2026

•

9 min read

The media buyer of 2030 trades execution for judgment

Agency executives Open Garden interviewed expect less setup and reporting, but a job that stays technical, where buyers still need to know the platforms they no longer run day to day.

Nicolas Jaimes

Open Media

Meta shuts out TikTok and decides where its advertisers can send customers

Oct 14, 2026

•

2 min read

Meta shuts out TikTok and decides where its advertisers can send customers

Since Oct. 8, Meta has banned TikTok ads and links to ByteDance properties in seven markets – a reminder that buying an audience doesn't buy control of what comes next.

Nicolas Jaimes

Open Media

Pubrunner wants publishers to earn less per visit, more per reader

Oct 9, 2026

•

4 min read

Pubrunner wants publishers to earn less per visit, more per reader

The U.S. startup uses AI to trade off ads, subscriptions and loyalty, betting that a visit monetized less can pay off more if the reader comes back – something its pilots have yet to prove.

Nicolas Jaimes

AI for media

ChatGPT borrows CTV's pause ads for image generation wait times

Oct 6, 2026

•

2 min read

ChatGPT borrows CTV's pause ads for image generation wait times

OpenAI is also building out measurement and brand suitability controls to turn the format into a recurring line in media budgets.

Nicolas Jaimes