"If you approach it from a rational approach it's insane, " said Klaus Jacob, a Columbia University professor who specializes in disaster risk management.
David Kirkpatrick: I think anyone who wants to pin an exact value on it, is somewhat guessing, but I don't think it's insane to say that it could be worth 50bn or even by the time even a year or two rolls around 100bn, the company's earning potential is almost unlimited.