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The changes that matter to advertisers, with the sources behind them and a practical next step. Pick a topic and catch up at your own pace.

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Google Ads

Sitelinks: breadcrumbs and grouped advertiser links spotted

Sachin Patel reports variations in sponsored sitelinks, including URL breadcrumbs and a grouped “More from” presentation. One concise observation is enough: these are display tests, not separate product launches. Keep sitelink labels and destinations useful without assuming that a particular layout will persist.

Microsoft Advertising

Bing Shopping filters: several placements, one watchlist item

Sachin Patel has documented shopping-filter tests in the sidebar and above shopping results. They may change how users narrow their options, but there is no established campaign-control change or conversion uplift. Review your own results pages and product data rather than treating each layout variant as a separate launch.

ChatGPT Ads

Conversion optimisation changes the objective, not the billing unit

ChatGPT Ads documentation supports conversion-optimised campaigns billed on impressions. A standard conversion event is required; custom events are not supported for this setup. Billing model, objective and event cannot be changed after creation, so switching requires a new or cloned campaign.

ChatGPT Ads

Creative assistance and platform targeting add practical controls

OpenAI describes suggested copy and imagery in Ads Manager, plus optional text adaptation and translation. Review the output against your claims and brand requirements. Its campaign documentation also confirms separate Android app, Android web, desktop web, iOS app and iOS web targeting and reporting. Segment first, then decide whether different delivery controls are justified by performance.

ChatGPT Ads

HubSpot and Shopify bring ChatGPT Ads into existing workflows

OpenAI confirms HubSpot account connection, ad creation, reporting and lead follow-up. Its Shopify app is available to US merchants, with expansion to supported international advertising markets announced for 23 September. Check eligibility and tracking before activating campaigns. Integrating a channel into your existing tools should simplify the workflow, not remove the need to reconcile the resulting data.

ChatGPT Ads

Sponsored Agents: the US test now has an official explanation

OpenAI’s 16 September announcement confirms Sponsored Agents testing with selected US advertisers. After clicking an ad, a user can enter a clearly labelled business-sponsored conversation, separate from ChatGPT’s independent answers and the original conversation. This updates our earlier conversational-commerce coverage. For prospective testers, product-answer quality and the hand-off to the website deserve as much attention

Google Ads

UCP checkout adds cart transfer and testing tools

Google’s Merchant Centre integration hub is adding cart transfer to merchant sites and enhanced checkout-flow testing. The capabilities are rolling out gradually in the US; Australia and Canada are scheduled to follow early next year. Analytics is described as coming later.

Gemini

Gemini Live: test a real briefing workflow

Google announced Gemini 3.8 Live and Extended Thinking on 15 September, with an update on 17 September. Availability varies by surface and subscription, and the announcement describes Workspace business access as coming soon.

OpenAI

A practical Muse experiment, with the iteration left visible

Jon Loomer’s 15 September account of building a decision tool with Muse is useful because it includes the human iteration. Read it as a workflow experiment, not a new Muse launch or evidence of better ad performance. Choose a small, checkable task and assess the output before expanding the scope.

Google Ads

PMax destination choice: review website versus Business Profile

Natasha Kaurra highlights destination options involving a website and Business Profile, while noting that the functionality is not entirely new. For local advertisers, check where the customer lands and whether calls, forms and visits are measured appropriately. Convenience and qualified demand may not point to the same destination.

Industry

IAB raises its 2026 US advertising growth forecast

IAB's September outlook raises its projected 2026 US advertising growth to 12.3%, up from 9.5% in January. The forecast draws on more than 200 brand and agency buyers and offers planning context across channels.

SourceIAB

Google Ads

EEA travel Search: check the experience your customers actually see

Google’s regional Search documentation now describes the EEA experience, with its 18 September changelog adding local-business query support for aggregator and supplier units. Some related travel experiences date back to 2024: the whole layout should not be described as newly launched.

Meta Ads

Meta introduces Muse with shopping and task-completion features

Meta announced Muse, a personal AI agent with shopping and task-completion capabilities, on 8 September. The US rollout introduces another potential route from a customer's request to a purchase, rather than a new ad-buying placement.

SourceMeta

Apple Ads

Apple Maps Ads: ask what a tap tells you before scaling

Andrew Shotland’s first campaign report highlights gaps he wants addressed: tracking parameters, the location of people tapping a profile, an action breakdown and separation of paid from organic activity. These are observations from his account, not a complete audit of Apple’s platform.

OpenAI

OpenAI’s small-business collection: shortlist by task

The small-business plugin collection includes marketing-relevant options such as Canva, HubSpot and Figma, alongside commerce and collaboration tools. The inspected category showed 14 entries, rather than the 16 in the social post; do not treat the collection as 16 verified new launches.

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