I tried doing this on MtGox with a buy limit price of 1$. I didn't get any bitcoin :( I do have a friend with 900btc though: I told him I was in the market for

I tried doing this on MtGox with a buy limit price of 1$. I didn't get any bitcoin :( I do have a friend with 900btc though: I told him I was in the market for a dollar, and he just gave it to me, no questions asked. I wonder where he got it from?