Topic is: 3D printing

Statistics

-how many people does this technology affect? In what way does it affect them? How has that number changed over time.

-how prevalent is the technology throughout the world? Does it exist everywhere? Is it a luxury item?

Financial cost

-what were the research and development costs?

-what are the cost related to using the technology? How much does a unit cost? How has the price changed over time?

-are there any taxation policies linked to this technology? How is it treated by countries whose economies rely on it?