Yeah, there is a good reason to presume as we have definitely missed it. All keys have gone. I guess I will have to wait for the full game now.
Oh man, I just missed a great opportunity to get the game that I've always wanted to play for a long time for free.
I know this thread is old etc., but to be honest, I think that there weren't enough people to play this game after first turn of closed beta. I got my key in a first wave. Then, after 1 month I got 3 other keys for my friends, and two months later I got 10 keys to give for others. Services were doing some contests while people was receiving a LOT keys to their e-mails. It's weird.