I use Pocket, but I think these sorts of things (Feed readers, tagging bookmarking services, etc.) should be outside of the browser by default. From there, you

I use Pocket, but I think these sorts of things (Feed readers, tagging bookmarking services, etc.) should be outside of the browser by default. From there, you can have addons that may be more first class citizen than others in that they integrate incredibly well, but regardless, they should be addons.