Question Sonic Highways MP3 Offer

I was wondering if anyone else has gone to http://redeem.foofighters.com to register for the Sonic Highways download. I am sure there is a detailed explanation of why the link does not seem to work, but if someone can clue me in or explain when and if it will work, I'd appreciate it. I also wanted to say that the Richmond show this past Wednesday was musically the best night of my life. Thanks!