Before it is ready to do its job, it must twist itself into an intricate three-dimensional arrangement, rather like a hugely complex pretzel.

ECONOMIST: Folding stuff

Rick, a financial advice polymath, is known in the advisor world for his complex grasp of intricate subjects and his common-sense solutions.

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Two other real-world, professional demos include a 3D training and simulation app that trains welders, and a practice and assessment application, created by a facial reconstruction doctor, which uses the 3D app to prepare for highly complex, intricate surgeries he plans to perform.

ENGADGET: Leonar3Do launches HelloVR, Vimensio platforms to bring 3D computing into the mainstream