Nalanda2029

Head movement, Raise eyebrows, Eye blink, Scrunch nose, Stick out tongue, Open mouth, Pucker lips left, Pucker lips right, pucker lips and Smile expression of face is recognised by Laptop camera and Tablet camera. Some function may be alloted to these expression, but at other times these expression can be used to study person behaviour. Expression on face is due to person memory and if person is unaware that their laptop and tablet camera have these features, then person is expected to behave according to his memory.