Google wishes Happy birthdays?

I was amazed to see this graphic when I started Chrome on my CentOS box tonight.  I had been riding all day so I wanted to update my blog.  like I always do I hovered over the graphic to see why Google had changed their logo.  Much to my surprise the tool tip message wished me a happy birthday.

well I may have to rescind my bah humbug attitude to birthday wishes from cyber space, this is really cool (at least for me)