A robot named 'Emo' can out-smile you by 840 milliseconds :

The bot's head and face are designed to simulate facial interactions in conversation with humans.

Related Keywords

Hod Lipson , Columbia University , Creative Machines Lab , Machines Lab , Columbia Engineering Phd , Facial Expressions , Humanoid Robot , Imo , Human Conversation , Human Interactions , Expressions , Robot Face , Millisecond ,