According to spreadfirefox.com
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.
You can even create your own download day certificate.
tip to lifehacker.com
A great marketing startegy for Mozilla that generated quite a bit of buzz and 8m+ downloads in one day. It’s not all puppies and rainbows as Drew @ Downloadsquad points out in his post, “Mozilla Firefox breaks non-existent world record – nobody cares“, but as marketing campaign it was spot on.