The Week AI Rules Moved the Decision
On Wednesday, Meta took its new advertising and business terms off the calendar altogether. Three days later, Britain's competition regulator opened a case about the same terms.
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On Wednesday, Meta took its new advertising and business terms off the calendar altogether. Three days later, Britain's competition regulator opened a case about the same terms.
"Where a company holds a dominant position, it must not use that position to impose unfair terms." — Sarah Cardell, chief executive of the CMA 2
"This case is existential for the news media industry." — Danielle Coffey, president and chief executive of the News/Media Alliance 4
robots.txt, so that one setting expresses a preference to every participating provider instead of one crawler name per company. Sites that opt out through the shared token without naming Google-Extended will be treated as having disallowed Google-Extended. Sites that specifically allow Google-Extended remain eligible to appear in responses and receive clicks through grounding in Gemini Apps. Google aims to support the control in 2027. 9draft-kelley-aipref-training-preference-signal-00, written by Kevin Kelley of Anthropic and filed the same day. The token is __usage_ai-training. The IETF states that the document is not endorsed by the organisation, has no formal standing in its standards process, and expires on 3 May 2027. 10robots.txt or, overriding it, on an individual page. AI Grounding is set page by page only, and has three values: allow, disallow, and DisallowExtended, which permits use inside Microsoft-operated experiences such as AI Mode, AI Overview, Copilot and Microsoft 365 while excluding the grounding services Microsoft provides to third parties, including Web IQ and the grounding API in Foundry. 11| Setting | Where it is written | What it controls |
|---|---|---|
| AI Training | robots.txt, or a page-level tag or header that overrides it | Whether content may be used to train generative models |
| AI Grounding | Page-level only | Whether content may inform generated answers |
DisallowExtended | Page-level only | Microsoft's own products only; not third-party grounding |
NoArchive or NoCache have until 1 March 2027 to publish the new settings, or those tags stop being read as a preference for training or grounding. Temporary grounding transition preferences open in Bing Webmaster Tools on 15 December 2026 for sites using the old tags, and expire on 30 September 2027. Traditional Bing search rankings are unaffected. 11robots.txt as a primary method for publishers to express machine-readable preferences — which is how a voluntary technical file starts to look like the compliance record. 9NoArchive or NoCache.NoArchive and NoCache are no longer read for training or grounding.democrats-judiciary.house.gov
wikimediafoundation.org
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datatracker.ietf.org
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