I don't know whether you have done your calculations but, about two or three years back, I did a first assessment of what the first successful device would be worth and it came out at about 300 trillion dollars.
“If bloggers are to improve our public discourse - helping busy and usually uninformed people make sense of the world - it is necessary to use some sort of standard with which to judge their reliability. Perhaps the answer (strictly advisory) is a body of their peers. Perhaps not.”
“When the mother of the race is free, we shall have a better world, by the easy right of birth and by the calm, slow, friendly forces of evolution.”