How do i download the Battlefield bad company 2 demo on PS3?

I see these people on youtube playing the demo of battlefield bad company 2 but when i go to the playstation store on my PS3 i cant find it. how do i download it?|||The demo servers were shut down last week 2/25. The full game was released 2 days ago. It is pure awesomeness.|||The demo has been pulled. The real game should be released soon.