JaggedSac on 16 July 2009
^^They actually have data to back up claims. Each time someone logs onto Live with playing Crackdown, they will keep track. So all they have to do is have a formula for the amount of people who do not connect to Live when they play. He is saying that they know 3 million unique users have played the game. He knows the sales for the game, so now he knows how many copies were either bought used or rented.
