Kanye West vs. 50 Cent - Poetic Justice. 50 Cent said he’d retire if he didn’t sell as many records as Kanye when their albums dropped on September 11, 2007. Well, Kanye’s Graduation blew Fiddy out of the water and Hip-Hop won. Of course, we still have to listen to Curtis’ music because he backed down from his promise. Drats.