Phoenix/Firebird was sold first through its incredible speed, compared to IE, plus popup blocking. The tabs were a nice bonus but the other two were the feature

Phoenix/Firebird was sold first through its incredible speed, compared to IE, plus popup blocking. The tabs were a nice bonus but the other two were the features that got all of us pushing the browser on every friend and relative who'd let us, even if they'd never use/understand tabbed browsing (some don't, to this day).