Not sure whether this is true or not but Internet Explorer team allegedly send a cake to congratulate the Mozilla team to commensurate the release of Firefox 3.
The cake sports a Internet Explorer logo and a message saying
Congratulations on Shipping! Love, the IE Team
Check out the images of the cake found via Flickr
A similar cake was also sent by the Internet Explorer team for the Firefox 2 release.
Wishing the Firefox team a hearty congratulation from the Techie Buzz team and hope you enjoy the cake too.