> To my mind, tabs and bookmarks should meld into one. If you don't close a tab actively, it stays deactivated, its tree likely gets collapsed until needed, so

> To my mind, tabs and bookmarks should meld into one. If you don't close a tab actively, it stays deactivated, its tree likely gets collapsed until needed, so it's not an eyesore. When you need it again, it's there, in the proper context. Have you tried Arc? It's essentially completely designed around the concept you describe. I believe someone is actively working on an "ArcFox" clone of its behavior for Firefox, but I'm not sure what the current state of the project is.