Metadata was provided by @YouGov, which randomly selected ChatGPT users from its US panel. All message text was removed before sharing.

X：Epoch AI (@EpochAIResearch)·Oct 2, 2026, 5:33 AM·OpenAI / ChatGPT

Two key caveats for interpretation: users opted in to share their histories, and had used ChatGPT at least once in 2026, when the sample was drawn.