User Questions Mean Great Content for Newsletters
If you wonder about the "useful content" part, pondering what could be most interesting for your readers,
- turn to your email archive and
- look for recent questions that your users had.
Chances are you can answer them easily, and chances are the answers make highly useful pieces of information for not only the person who submitted the query but for all your newsletter subscribers.
You can even install a periodic Q&A column to retain the original and approachable format of a dialog of question and answer.