Wow, this conversation has degenerated. Let's keep focused on communicating our use cases, not debating which use case is better. I know for myself, I am comfortable with the EN4 interface, in fact, the web interface still groups notebooks like EN4. I have not checked the tag operation. My suggestion is this. By default, leave the notebooks mixed up, however add the icon next to the notebook to show what type it is. The "Jump to notebook" does this so it already represents a solution for the problem seen by a developer at some point. Bravo! Then, allow me to set a parameter to revert to grouping notebooks by type. ie. Personal, Business, Shared, etc. As for the tags... Just go back to the way it was. What ever notebook is active, those are the tags that are displayed and have the total number of notes. If Evernote people really want mixed tags, then at the very least, when I uncheck "Show Unassigned Tags", don't display the tag if it is not used in the current notebook. That would give users options. Heather, thank you for the link to that post. That does seem to at least mitigate some of the notebook issues. Now onto the tags! Cheers!