According to a swedish newspaper, Google lost control over the official blog yeasterday. Someone at Google deleted the blog by mistake and someone else registred http://googleblog.blogspot.com/ shortly afterwards. Google suspected that someone had attacked them before they found out that the blog was deleted by an employee. Today everything is back to normal and Google has regained control over the blog.

http://www.idg.se/ArticlePages/200603/28/20060328102206_CS/20060328102206_CS.dbp.asp