"Listerine Smile Detector: Brand apps usually aren’t worth a download, but Listerine Smile Detector actually has a heartwarming purpose. The app helps people who are blind or losing their sight “feel” smiles. The app uses facial recognition to find a face and then vibrates in the user’s hand to let them know that the person their talking with is smiling, a more subtle method than putting their hands on another person’s face, and enriching a conversation." -- @iammollymchugh HT: @Wiredhttp://www.wired.com/2015/09/smi...
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