From the New Media Consortium. Outlines new media trends that will likely become adopted in 1 year or less, 2-3 years, 4-5 years.
A fabulous resource to use to see what's on the new media horizon.
3D printing allows users to print 3D objects from digitally designed plans. 3D printing is achieved using additive processes, where an object is created by laying down successive layers of material. See wikipedia article on 3D printing.
This technology has existed since the 80's but is becoming more commonplace. Watch this TEDTalks video to get an idea of how the process works and how the technology may be utilized in the future.