A bit of (intended) effluvia, for a change: long ago, I talked about an inadvertent switch to IE that made me wonder whether it was just tabs that made me drift away from ol' Firefox. Probably, but now I've found a reason to make the gradual move back - and it turns out I was rather prescient, because v3 was the magic number with its introduction of the "smart" address bar. A small improvement in the grand scheme, but I've found it rather indispensable with familiarity. Kudos to the developers for the idea.