books.google.co.jp - On September 11, 2001, AT&T's traffic was 40 percent greater than its previous busiest day. Wireless calls were made from the besieged airplanes and buildings, with the human voice having a calming influence. E-mail was used to overcome distance and time zones. And storytelling played an important role...http://books.google.co.jp/books/about/Crisis_communications.html?hl=ja&id=KaECxVbMBhgC&utm_source=gb-gplus-shareCrisis communications
