> ## Content Index
> Fetch the complete content index at: https://adjacent.media/llms.txt
> Use this file to discover other available public pages before exploring further.

# Reuters and Time Join Publishers Blocking AI Crawlers by Default
- URL: https://adjacent.media/signals/reuters-and-time-join-publishers-blocking-ai-crawlers-by-default/
- Published: 2026-06-10T23:06:15.000Z
- Updated: 2026-06-10T23:06:15.000Z
- Description: The shift toward allowlist-based blocking—rather than opt-out systems—treats AI training as a default violation rather than a permitted use.
- Author: Jonathan Greene
- Tags: #signal, theme-culture, media, journalism, regulation/policy

Source: [Search Engine Journal](https://www.searchenginejournal.com/more-news-sites-default-to-blocking-ai-crawlers/578527/?ref=adjacent.media)

The shift toward allowlist-based blocking—rather than opt-out systems—treats AI training as a default violation rather than a permitted use. Reuters and Time's moves matter because their content feeds downstream into countless other publications, so their friction-adding infrastructure could cascade through media supply chains and force AI companies to negotiate access explicitly rather than scrape freely. The question publishers have avoided becomes unavoidable: if your content trains valuable models, do you get paid, licensed, or simply blocked?