Future versions of iMacs could feature innovative Transformer-like technology letting the machines switch between a standard display and an ergonomically-friendly touchpad.The concept is simplicity itself, involving not much more than a hinged stand that offers a really shallow pitch when in tablet model, according to a patent filed in January but only recently uncovered by website Patently Apple.
The patent application also suggests that the action of pivoting the screen between vertical and flat would toggle between operating systems – and although specific OSes aren’t mentioned it looks likely that the machines could use OSX when in desktop mode before switching to iOS for its tablet function.
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http://www.pcpro.co.uk/news/360553/next-imac-to-transform-to-a-touchscreen