Of course, I fully agree. Please don't read any implication about space tourism into a simple FYI calculation. But a 6x cost reduction is a big deal, and this

Of course, I fully agree. Please don't read any implication about space tourism into a simple FYI calculation. But a 6x cost reduction is a big deal, and this figure illustrates that very well. See the follow up comment I'd already posted here: http://news.ycombinator.com/item?id=2412096 http://news.ycombinator.com/item?id=2412096