Agreed. In a popular ERP suite we settled many functionality/usability expectation issues by enriching the help/doc. Which worked on Windows apps. As the suite moved to the Web we found fewer and fewer users reading the doc. Except for a few die-hard sticklers, intent on arguing the case for modifications (including tech support).
…— Lukas Mathis in [Nobody reads your dialog boxes](http://ignorethecode.net/blog/2008/10/31/nobody-reads/), a fantastic article. go read it.
This is often part of a larger documentation:product relationship. I see it in manuals and reference books as well. As part of an…