I was just making a small pot of coffee, just two cups. So I measured out two full cups of water, and guessed how much coffee to put in the basket. The coffee came out great, but could just have easily come out awful.
So if Wikipedia is the web's encyclopedia, where is the web's user's manual? It would be infinitely expandable, aspire to cover everything, and take a practical 1-2-3 approach to doing things we humans do on this planet in the times we live in.