71 children ages 6-12 receiving applied behavior analysis were randomized to receive Google Glass and a control group. The children wore Google Glass accompanied by a smart phone app. The Google Glass assisted with facial engagement and emotion recognition by displaying an emoji consistent with facial expression detected with the device's camera. There is also an audio device option. The accompanying mobile app had social engagement activities which included games and "free play" to help with social interaction. The children used the intervention four times a week for 20 minutes, one session with a behavior therapist and three times with family members, for six weeks. The children in the intervention group showed improvements in social behavior compared to the control group, (Voss C, Schwartz J, Daniels J, et al. Effect of Wearable Digital Intervention for Improving Socialization in Children With Autism Spectrum Disorder: A Randomized Clinical Trial. JAMA Pediatr. Published online March 25, 2019. doi:10.1001/jamapediatrics.2019.0285).