There isn't much depth to the market. I have some bitcoins, but since I've already made 50 times my original investment I'm holding the rest. Some people have

There isn't much depth to the market. I have some bitcoins, but since I've already made 50 times my original investment I'm holding the rest. Some people have super fat stacks though (10s or 100s of millions of dollars worth) they are trying to use the money by spending it because they are trying to build up the bitcoin merchant community.