Authorities were able to find a missing 16-year-old girl after she caught the attention of a driver by using hand gestures popularized on the social media platform TikTok. According to the Laurel County Sheriff's Office in Kentucky, the girl was inside a silver-colored Toyota car when the driver saw her using hand signals known on TikTok "to represent violence at home — I need help — domestic violence." After recognizing what the signals meant and seeing that the teen "appeared to be in distress," the driver called 911, the sheriff's office said in a statement. The alert led to the...