2015-12-08 UTC
# 
gRegorLove Heh "Yo is a social application for iOS, Android, and Windows Phone. Initially, the application's only function was to send the user's friends the word "yo" as a text and audio notification,[1] but it has since been updated to enable users to attach links and location to their Yo's.[2][3]" https://en.wikipedia.org/wiki/Yo_(app)