Space tourism, Amazon entanglements and journeys with Justin

 I've been following recent developments in space tourism with a sort of guarded interest, impressed by the technical achievements (even sub-orbital flight is difficult) but less persuaded by the billionaire gold-rush behind it all. It's not the timeline I wanted to be on, but it's the one we've got. 

Of the three major commercial players, it's fairly obviously the case that Space X (which hasn't yet done any space tourism) is much further along in terms of offering reliable access to orbit, whic...