Contact the editors
Write to us with corrections, updates or questions about the method.
The editors’ address is being set up and will appear here.
Corrections
Send the page, the statement in question and a source that contradicts it. We verify it, amend the page where needed and record the amendment.
Vendors
If you represent a product that is listed, or one that should be, send links to published material: documentation, pricing and the availability of AI features by country. We use published material only and do not accept payment for inclusion or placement.