Things you can print

Slate has an infographic by Mark Joseph Stern: here: The graph is titled "Meet the technology thats about to change your life" and contains information like
"90% of in-the-ear hearing aids are made using 3D printing." or
"Boeing has used 3D printing to make more than 22'000 parts used on civilian and military aircraft flying today." or
Top industries using 3D printing: Medical, Architecture, Defense, Automotive, Aerospace".