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Update: It's now online.

I just received my copy of "Hustlenomics" with the K-Mart exclusive voicetone. It comes with a separate insert that tells you to go to http://www.yungjoc.com/kmart. The only thing is that if you go there, you are redirected to http://www.block-ent.com/yungjoc, seemingly unable to redeem the voicetone. I'll report back when I know more.