INSIDE JoongAng Daily: "Some spamming can save lives

November 15, 2006 ㅡ Joo Ah-young, a 15-year-old with a mental handicap, was separated from her parents on an outing, and was missing for 15 days before the police decided to take another approach to the search. An SMS message with her photo was sent to people in Seoul and Gyeonggi province. Two days after the message was sent, a call came to the police from a security guard of a shopping mall in Dongdaemun, saying that he had found Ms. Joo. "