"Rowling Launches 'Mysterious' Website" is the title of an article published yesterday by TheBookseller.com. Apparently there was this "Secret Street View" challenge where fans eventually pieced together the name of J.K. Rowling's new website, Pottermore.com.
If you click through to the website (which I know you've already done, you crazy Potter fans, you're probably not even reading this anymore!) you'll see that you can click on either of the owls. And that takes you to this awesome YouTube page with owls and branches sticking out everywhere (how do they DO that?) and a clock counting down the time until...
J.K. Rowling's announcement!