Monday, October 19, 2026
10 stories · 4 topics · 8 outlets
Answer Engines
7OpenAI UTM bug: 'it is surprising that a player like OpenAI is exposed to a bug as basic as removing UTM'
ChatGPT stopped adding UTM parameters to redirect links for a week, and Julien Ribourt, senior partner for data, AI and agentic at Converteo, says the impact on CAC 40 company sites was moderate. The article examines how the missing tags affected tracking of ChatGPT referrals. It follows OpenAI's statement that the interruption was a bug.
What it takes to be a brand AI agents choose: new rules and odds
Jellyfish's Share of Model shopping tool tracked product recommendations from Alexa for Shopping, ChatGPT and Google AI Mode across eight categories in the US, UK, Australia and Singapore. When asked for toys, Alexa for Shopping showed products from 177 brands, almost all from Amazon's own store, while ChatGPT recommended 24 retailers and Google AI Mode 37, according to the analysis. The piece says a brand's visibility depends on whether its products are sold by the retailers each assistant draws on.
AI reputation: lessons from the 2026 CAC 40 barometer
The article says being mentioned by a generative AI and being described well are two different things. It draws on a 2026 barometer of CAC 40 companies to separate whether a company appears in an AI answer from how that answer portrays it. It says executives should not treat a mention as proof of good positioning.
In B2B, influencer marketing takes on a different look
The article says B2B brands are exploring creator video to build credibility and get attention from large language models, even though B2B influencer marketing lacks the direct-response playbook common in B2C. It describes longer sales cycles and niche audiences as obstacles. The piece treats LLM attention as one reason B2B marketers are trying the format.
How Do I Measure And Attribute When Clicks Only Tell Part Of The Story? – Ask A PPC
The column says click-based measurement leaves out part of the buying journey as more of that journey moves into AI. It recommends conversion tracking, impression signals and business records to validate attribution. It is advice for PPC teams adapting measurement to AI-mediated search.
GEO: your reputation can cross borders before your products do, are you ready?
The article says a small company can be known to AI systems in a market without being recommended there. For exporters, it argues GEO work should start before the company opens in a foreign market. It separates being known to an AI from being recommended by one.