The feed
Martech news and analysis. Every story says what changed, why it matters and what marketers should do next.
On September 21, 2026 Google Analytics began supporting data filters that allow only a list of approved hostnames, and automatically block events with empty hostnames, which often signal spam. The Measurement Protocol is unaffected.
Why it matters
Spam and ghost traffic distort conversion rates and campaign reports, and an allowlist is easier to maintain than a blocklist.
On October 5, 2026 OpenAI listed attribution, data-connection, experiment and brand-study partners for ChatGPT Ads, plus two verification pilots. The early results it cites are vendor-supplied.
Why it matters
Third-party measurement is a prerequisite for large budgets, and incrementality partners can show what the ads added beyond last-click credit.
On October 5, 2026 AWS made Nova 2.5 Sonic generally available in Amazon Bedrock: a speech-to-speech model with better reasoning and tool calling, seven languages, a 256K context window and the same price as Nova 2 Sonic.
Why it matters
Voice is where customer service and sales automation is moving, and a model that can call tools in a live call reduces the need for scripted phone menus.
Google announced Gemini 4 Argon on September 30, 2026. It is a frontier model aimed at coding, research and defensive cybersecurity, available first to vetted partners in its Fairwind Program. Pricing and broad availability were not given.
Why it matters
A stronger model tends to reach the assistants and workflow tools marketers use within months, and its security focus signals how Google plans to gate powerful models.
From October 1, 2026 advertisers can no longer set a Max CPC on new non-portfolio Microsoft campaigns that use conversion-focused or maximize-clicks bidding. Existing campaigns keep it, until it is removed.
Why it matters
Without a cap, automated bidding decides how high to bid, which can raise cost per click even if cost per acquisition targets are met.
Google announced on May 26, 2026 that Display inventory will be managed through Demand Gen. A migration tool arrived in June, new standalone Display campaigns end in 2027, and the rest migrate automatically.
Why it matters
Display budgets will be run with Demand Gen's settings and reporting, so existing placement and audience controls need to be rebuilt and tested.
On October 5, 2026 DoubleVerify said DV Rockerbox can now measure ChatGPT Ads, and that it is developing with OpenAI a brand risk and suitability pilot that does not use private conversations.
Why it matters
Advertisers need a third party to check a new channel's results and its placement context, and OpenAI is now opening that door.
On August 31, 2026 the FTC and 22 state attorneys general sued Amazon, alleging it secretly added surcharges to its search-ad auctions while telling advertisers they paid only slightly more than the runner-up.
Why it matters
If the claims hold, advertisers' reported costs and return on ad spend on Amazon were overstated by the price mechanics, which affects every budget decision built on them.
Google Search VP Robby Stein disclosed on September 18, 2026 a Discover test that opens a Google-written topic overview, with publisher links below it. Google gave no opt-out or rollout details.
Why it matters
Discover is a large traffic source for news sites, and an overview may satisfy readers before they click.
Google's September 2026 Search Central changes include VideoObject creator support, aggregator and supplier units for local queries, guidance on adding a Search profile badge, and regional differences in Search.
Why it matters
Documentation changes are the official statement of what markup and features Google supports, and they often precede visible changes.
