New technology often has unanticipated drawbacks as well as the obvious benefits. One of these situations involves personal locator beacons which can summon a search and rescue party at will in the wilderness. It turns out some people will call one for just about anything.
Last month two men and their teenage sons tackled one of the world's most unforgiving summertime hikes: the Grand Canyon's parched and searing Royal Arch Loop. Along with bedrolls and freeze-dried food, the inexperienced backpackers carried a personal locator beacon — just in case.