I was surprised to see this rise on the front page. Am I the only one who didn't get excited at all by this? When I see a post titled "a browser experiment" from mozilla.org I tend to think I'm going to get more than some wireframes and talk about "busybees". It will be an experiment once some (any) of it has been built. In any case from what I did see in the video I would say: 1) Bookmarks are broken, but removing t…
As has been mentioned in other threads to this discussions, tabs aren't all that important for the thought of userbase. They are people who sometimes uses tabs or never uses tabs.
Also, I, as a "Wizard/Enthusiast" user - got somewhat excited by the suggested experiment and think it kind of make sense. I wouldn't prefer using this myself, but I can certainly see benefits to a significant user share.