Previous discussion on how this stuff doesn't add up: http://news.ycombinator.com/item?id=1701724 http://news.ycombinator.com/item?id=1701724 It's an interesti

Previous discussion on how this stuff doesn't add up: http://news.ycombinator.com/item?id=1701724 http://news.ycombinator.com/item?id=1701724 It's an interesting idea for a second, until one starts to actually crunch the numbers.