Wow, never noticed that green arrow thingy before, very reassuring, but it's only visible at the top of the page — now if it just did UNDO/REDO, I couldn't ask for more even if I paid for it, which raises the issue, could UNDO/REDO be an Upgrade feature — I'd pay for that? I've tried and used a lot of different note-taking apps attached to browsers, and this one really fills the bill. When you live online and don't leave the browser, it's a subtle thing what you like and don't like about a note-taking app, but I guess it's cuz this one treats the task of note taking on a browser no different