It’s official, Mozilla set the World Record for most downloads of an application in 24 hrs. From their Web site –
“Thanks to the support of the always amazing Mozilla community, we now hold a Guinness World Record for the most software downloaded in 24 hours. From 18:16 UTC on June 17, 2008 to 18:16 UTC on June 18, 2008, 8,002,530 people downloaded Firefox 3 and are now enjoying a safer, smarter and better Web.”
Firefox 3 has added over 20 Million downloads since setting the record.