How this page evolved

Every published version is kept. Each entry shows what changed and why. Earlier versions can be restored by moderators, but only if the material they rely on is still available.

1. Revision 3Sep 30, 2026, 6:25 PMLive

   Added Iceland's public-sector trials and the 2025 peer-reviewed multi-country study, with the self-selection caveat.

   • · Added section “The first large peer-reviewed study”.
   • · Added section “Why sceptics aren't convinced”.
   • · Key takeaways were added.
   • · 3 new pieces of guidance for specific situations.
2. Revision 2Sep 30, 2026, 6:25 PM

   First brief from the UK pilot results.

   • · The main finding was rewritten.
   • · The finding is now labelled “evidence” (was “interpretation”).
   • · Added section “The UK pilot: 61 companies, six months”.
   • · Added section “Iceland: the public sector”.
   • · 3 new sources cited.
   • · The note on uncertainty changed.
   • · 2 new open questions.
3. Revision 1Sep 30, 2026, 6:25 PM

   Created the Sylo.

   • · First published version.