It appears as though Walmart is running a contest where the store with the most Facebook likes will get a live performance from Miami-based rapper Pitbull. Someone has started a campaign to get the Walmart in Kodiak, Alaska, the most likes so Pitbull has to go play there. You can like the Kodiak Walmart page here.
I love these things. Maybe at some point, these promoters will realize the true potential danger of the Internet. The 4chan community can be pretty brutal. I imagine they'll be all over this.
It's a joke, there are only 6,000+ people in that town, and most of them probably haven't even heard of him.
Edit: Just looked at their Facebook page, they obviously know what's going on, but it doesn't seem like they care. So yeah, he's going to a frozen tundra.