A McKensie report entititled "Disruptive technologies: Advances that will transform life, business, and the global economy" identified 3-D Printing as the #9 most disprutive technology forecasted for 2025. 3D printing has largely been used by product designers and hobbyists and for a few select manufacturing applications. However, the performance of additive manufacturing machinery is improving, the range of materials is expanding, and prices (for both printers and materials) are declining rapidly bringing 3D printing to a point where it could see rapid adoption by consumers and even for more manufacturing uses.
http://www.mckinsey.com/insights/business_technology/disruptive_technologies