Blount County, Alabama officials are crediting a notification system with quickly locating a missing teenager last Friday. When the teen was reported missing authorities issued an alert through Nixle. Nixle sends notifications to subscribers through text messages, phone calls, and emails. The system is used in communities across the country to notify their citizens of public safety hazards, road closures, missing persons, and other important events. Within minutes of the notification officials recieved calls directing them to the location of the missing teenager.