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The best and most correct answer among the choices provided by the question is the fourth choice "<span>communicating using body language instead of digitally or online"
</span>Gesture recognition<span> is the mathematical interpretation of a human motion by a computing device. </span>Gesture recognition<span>, along with facial </span>recognition, voice recognition<span>, eye tracking and lip movement </span>recognition<span> are components of what developers refer to as a perceptual user interface (PUI).</span>
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I hope my answer has come to your help. God bless and have a nice day ahead!</span>
<span>B) None of the remaining light bulbs will be on.</span>