Contact

Write to [email protected] about a correction, a missing fact, a privacy question, or a page that is hard to use. Include the page address.

A useful correction names the page, the sentence, and the tool or job.

Do not send identity documents in a first message.

This address cannot handle a distress call. If someone is in danger on the water, they use the radio or the local rescue service. An email reply is not help on the water. The team does not pilot a vehicle from a description, does not say which product to buy, and does not give a wiring recipe, a procedure for entering a restricted structure, or a way into a locked network.

For cookie and advertising questions, see Privacy and the cookie and cache policy.

There is no postal address and no telephone number on this site. There is no promise of a same-day reply, and there is no reader list.