Earlier quoted context omitted.
Tabbed browsing and incognito mode were incredibly innovative. edit - Looks like Firefox introduced both. But Chrome was incredible in comparison at the time. I recall thinking Firefox was no longer worth it. I made the move back to Firefox a few years ago.
Revisionist history... Firefox and loads of niche browsers (MyIE2/Maxthon which I used in the era where IE was sometimes mandatory for site compatibility) had tabbed browsing.
But it was not just niche browsers. By the time of Chrome's debut (2008), just about every browser had tabs—including Internet Explorer:
"With the release of Internet Explorer 7 in 2006, all major web browsers featured a tabbed interface." https://en.wikipedia.org/wiki/Tab_(interface)#History>