Just a note, Firesheep didn't implement generic traffic sniffing, just cookie-cloning, and that only when someone implemented a Firesheep plugin with an appropr

Just a note, Firesheep didn't implement generic traffic sniffing, just cookie-cloning, and that only when someone implemented a Firesheep plugin with an appropriate regular expression or whatever for a given site. So the existence of Firesheep itself wouldn't allow people to passively watch traffic for arbitrary sites, and not even to perform attacks against newly popular sites if no community kept it up to date for those sites.