With 50 Cent's new coffee table book 50 x 50 launching on the same day as former NSYNC member Lance Bass's book Out of Sync, the two authors playfully traded jabs yesterday while out promoting. According to Ben Widdicombe in the New York Daily News, 50 told him, "With me, everything's a competition, so I bet you the end of next week, I'll be moving more copies than him...This is the same competition - this is Kanye West and 50 Cent all over again!" In response to 50's tongue-in-cheek remarks, Bass responded: "50's going down, that's all I have to say...50, I don't want to playa-hate, but there's a lot that my book has that his doesn't...I'm pretty sure he doesn't have any relationships with guys in that book. And I'm pretty sure he doesn't have any space training, either."

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