Not sure if anyone else noticed, but the Google homepage has also been updated for Halloween. I know, I know, I've got way too much time on my hands, but it's always fun coming across these gems.

Clickable link: http://www.google.com/ (look closely at the 'e')

EDIT: Well, that sarcasm came round full circle. There's actually a gem in clicking the logo itself. Well played, Google.