Sendmail is selling a commercial version of the software with a special graphical interface, but it is also supporting the development of a free version of the program.

ECONOMIST: Open-source software

Whether new to D-SLR shooting, or for those simply ready to step-up to a higher level of photography, the 24.1-megapixel D5200 will inspire new ways to capture with an easy-to-use interface, in-camera Special Effects and creative modes, plus the ability to share wirelessly in an instant.

ENGADGET: Nikon D5200 to reach US photographers in late January for $900

By moving beyond touch, Samsung may well have preempted what Apple felt was its own special territory and usurped its role as king of the interface, which is no mean feat.

FORBES: How Good Is The Samsung Galaxy S4? Try Amazing

At the very moment we look at those new clothes in that store window, a special offer for the clothes will flash up on the digital interface of our Google Glass.

CNN: Why life through Google Glass should be for our eyes only

Like the chassis, the Qube's interface also features a rotating cube, but that's pretty much the only thing special about it so far.

ENGADGET: ASUS Qube hands-on (video) HD