There have been a few dozen good responses to the post I wrote about new technologies or services that could help find people who get into trouble while traveling. See A Webware challenge: Make cell phones better lifelines.
It begins with notification. You don't send out rescue parties until you know someone is lost, and my initial proposal simply allows the alarm to be raised earlier. Several people rightly commented that it would be difficult to create a "flight plan" system that people would actually use. But I will not dismiss this idea just yet; some of … Read more