If you are a Star Wars fan, then you may want to check out this slick new promo for your Google Account. If you go to google.com/StarWars, you will be able to choose between the Light Side or the Dark Side of the Force, and it will transform you Google account with a Star Wars theme to match your choice.
When you make the choice, you will be greeted with a ton of Star Wars related easter eggs sprinkled throughout each Google product you try out with the chosen theme. If you want to read more about it before you make your choice, here's Google's Blog on the subject: Official Google Blog: For Star Wars fans, old and new