Non-verbal communication plays vital role in face-to-face conversations. Success in business largely depends on establishing and maintain...

Trust is a significant factor in e-commerce businesses. Lui et al. (2010) conducted an experiment to determine whether smile of an o...

A smile consists of two differentiating periods of motions of mouth - neutral to smile and smile to neutral. Ning et al. conducted a stu...

Asymmetric facial expressions such as smirk express negative emotions in everyday communication. Asymmetry in smile shows emotions of con...

This challenges the common notion of using neutral face images for face recognition. As smile is the most common expression, it can be...