Changes

-Seattle new innovation center for space flight

http://www.nytimes.com/2016/08/02/science/seattle-space-flight-innovation-center.html?_r=0

-boom in small satellites

https://www.fastcompany.com/3058795/the-next-frontier-for-ambitious-entrepreneurs-space

-3d space printer

http://www.thespacereview.com/article/2348/1