iFeel_IM is a wearable humanoid robotics which mediated emotional expression between virual and real world. "iFeel_IM [...] automatic sensing emotions conveyed through textual message in 3D virtual world Second Life, the visualization of the detected emotions by avatars in virtual environment, enhancement of user's affective state, and reproduction of feeling of social touch (e.g. hug) by means of haptic stimulation in a real world."
Reference: Tsetserukou, D. et al 2010 World's First Wearable Humanoid Robot that Augments Our Emotions. In AH '10 Proceedings of the 1st Augmented Human International Conference