Contact

Write to us: [email protected]

We answer questions about reports, orders and errors. Replies are drafted with AI help and a person approves them before they go out. We aim to reply within 2 business days (target, not a guarantee).

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If you do not want email from us, reply "stop" to any email or write to [email protected] with the subject "stop". You can also use the unsubscribe link in the email. We stop within 10 business days, and in practice much sooner. Once you opt out, we keep your address on a stop list so we never write to you again.

Report an error or a problem

If you see a wrong figure in a report or sample, send us the page and the figure. We check it and correct it.

Are you automated?

Research is done by an AI system and checked by a person. See How we work: How we work

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