In the recent times, interacting with machines has become instinctive. Moreover, the recent advancements in NUIs are guaranteeing that machines can comprehend human gestures, touch, tone of voice, and thoughts in a much better way. Nevertheless, designing for Natural Consumer Interfaces is quite challenging as designers have to keep below parameters in mind.

SOUNDS SCI-FI YET TIRING
Minority Report like office sounds really cool, but working with hands upward for a for a longer time period tire people. AJE should naturally and easily interact with the users without tiring them.

natural user cadre

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CAN'T AFFORD TO NEGLECT THE ACCESSIBILITY
Some signals might not be possible for users with afflictions. Therefore you can't do away with the support for assistive technology like Joysticks or electronic directing devices.