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After a video went viral on multiple social media sites touting risky advice on what to do during an emergency if you are lost, search and rescue experts weigh in on their own advice. Instead of changing your voicemail with information for rescuers, it is much more reliable to text 911 with all of that information. Most 911 call centers can receive text messages and coordinate with search and rescue teams. A text message also has a better chance of sending in low signal situations. For more information on this story read here.