I like this idea. Along the lines of improvements to the bookmark manager and the display of bookmarks, this would be a great improvement. I don't know how bookmarks are stored, except that when exported, they seem to be in one long file with formatt...
I have found it sometimes annoying, mainly when I am deeply involved in a task that spans several program windows, and during a deep concentration I don't want to stop my train of thought.I know in the background that I want to move a Firefox window...
