Article Response: 3D Printers.

What i didn't know: -That 3D printers even existed. -That they aren't even a new invention. -That you can literally create a replica of any object using a 3d printer. Opinions: -Holy crap this is so cool. -I want one. -I will pay any amount of money to own one of these. Question: Why was i not made aware of this amazing device earlier?