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We live in a time where you can watch the most explicit content on the same phone you use to call your mother. In our new exclusive series, Business Wars is taking you after-dark. To the heyday of the 1970s, when Playboy and Penthouse ruled the adult genre - and the line between sexy and obscene started just below a woman’s belly button. But when it comes to the boundaries of good taste, how are will founders Hugh Hefner and Bob Guccione go to expand their erotic empires?