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

SOUNDS SCI-FI NEVERTHELESS TIRING
Minority Report like office sounds really cool, but working with hands upward for a much longer period tire people. URINARY INCONTINENCE should naturally and perfectly interact with the users without tiring them.

natural user cadre

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