In an attempt to prune, and then merge, two related notes into a single, larger, more focused note, the content of one of them simply disappeared while I was editing titles. Edit / Undo produced nothing, leading me to believe that it wasn't anything I did. I signed in online and its content was missing there, as well.
I understand the 'Note History' feature that exists if you are a Premium user, but I haven't gotten my project to that level yet. Is there anything I can do about this? Customer service does not exist for me.