Im kinda worried where the codes at, have not seen any last 4 days and 18 days left and 22 codes =S
5 codes were found in stuff released on Mar 26. And several other days with multiple codes. A gap while people get caught up is not a bad marketing choice right now. I'm thinking there will be a lot of posts with a lot of links to stuff with codes starting in a couple days and running straight through the launch. They probably want promotion to peak in the last 2-3 days before the game comes out, as that will increase people's awareness at the optimum time.