[ksec]

>Honest question... who did they lose to? Google Chrome?

Arguably you could say they lost some market share to Chrome and Safari, but realistically they never won much in the first place.

And that is from someone who followed Firefox development before it was even called Firefox.

[daedalus_f]

I think Firefox market share peaked in 2010 at around 30% before slowly declining as chrome rose in popularity. At least according to StatCounter: https://en.m.wikipedia.org/wiki/Usage_share_of_web_browsers#...