A nine-year-old boy named Timothy Prather from the US, who learned 'Heimlich' from YouTube, saved his three-year-old cousin Connor from choking last week. The Heimlich technique includes giving abdominal thrusts to help a person who is choking. Timothy Prater had seen it in YouTube videos. When Prater's cousin started stomping his feet and holding his throat, Timothy knew just what to do. YouTube CEO Susan Wojcicki shared his story on ...