Right now the StackOverflow logo is showing as a squished little caveman figure. Has somebody hacked the sstatic.net site? Or is this a regular feature of SO, like Google changing its logo for anniversaries and public holidays?
** edit **
Must have been a temporary glitch - it's gone now. However, for the doubters out there, here is a screen shot of the sstatic.net url. It's the best I can do to prove I was not imagining things.
** edit **
hmmm, smaller than I'd like. Why is that?
Anyway, I am using Firefox so the cache-bug suggestion might be the right answer.