For those not familiar: tabbed browsing (complete with closed page history and undo), whole page zoom, a search engine search bar (and then address bar searchin

For those not familiar: tabbed browsing (complete with closed page history and undo), whole page zoom, a search engine search bar (and then address bar searching), a download manager, middle click to open in new tab, speed dial/"top sites" for quick navigation in new tabs, and restoring open pages/tabs after the browser has closed or crashed are some of the features "Opera had first."