Without their big sales, I guarantee you that Steam wouldn't be making nearly as much money. It's basic economics, plus marketing. You try to get everyone to pa

Without their big sales, I guarantee you that Steam wouldn't be making nearly as much money. It's basic economics, plus marketing. You try to get everyone to pay as much as they're willing to. Of course, when that price = FREE, then it really is all advertising, for IAPs or something else.