Whose ears are you calling old?

If it seems like your teenager can sense when the phone's going to ring before you even hear a thing, you may not be wrong. A new ring tone is available that can apparently be heard by children but not by adults. The technology for that started as a way to drive teens out of areas where they're not wanted by assaulting their ears with frequencies aging ears don't receive, but talk about your creative repurposing. The kids-only ringtone lets youngsters text-message without tipping off teachers with long musical ringtones. As infuriating as it is that kids are trying to sneak around, you've got to admire the ingenuity involved here. Now if only they could develop a ringtone that could only be heard by rude and inconsiderate people, going to concerts and movies and live events would be a lot more pleasant. Of course, then they'd still sit talking in their seats, or get up and disrupt things to walk out into the lobby. How 'bout a ringtone that renders them unconscious? Come to think of it, that would be handy for teens, too.