So, here is video proof that Anni is signing (and being adorable and sharing). She still does not quite have the hand placement down but she sure knows that she wants more cookies and doing that little gesture rewards her with her desired outcome! What a smart cookie (pun intended).
http://vid204.photobucket.com/player.swf?file=http://vid204.photobucket.com/albums/bb212/roxanne_engstrom/sign007.flv