If you, like many others, have sent in an email asking any number of questions, and you did not receive a response – you may want to try again. The email associated with this account has been hacked, please see the post in the Blog about the Somali Pirate. That should answer everything.
That said, submissions are still on. As is the contest for the new Apple Ipad, the Ipad 7 or something. Sticker up.