Did it stop spiking? It's up from $750 to $900 (mtgox price) in 7 days. Bitcoin can be used to "move money" only when it's valuable. So it must be valued and c

Did it stop spiking? It's up from $750 to $900 (mtgox price) in 7 days. Bitcoin can be used to "move money" only when it's valuable. So it must be valued and collected by some people beforehand, so others can sell it to them in exchange for currencies on the other side of the border.