This just in: http://www.bloomberg.com/video/seeing-huge-increase-in-bitcoin-customers-karpeles-xsmrZuQxQ2CIkPQoeeDJsA.html
I find the japanese accent difficult to understand indeed, but somewhat amusing. MtGox is in Tokyo, after all.
No answer about the liquidity. Other than that, the description about the number of new accounts was crispy and clear.