Trend: Hands-free devices don't increase safety

According to a new study of Australian drivers, those using cell phones while operating automobiles are four times as likely to be involved in a serious crash regardless of whether they used hands-free devices like speaker phones. The study, which will be published in The British Medical Journal this week, is the first to use actual crash data and cell phone records to demonstrate a link between talking on cell phones and being seriously injured in car accidents.

For more on the hands-free car safety study:
- view this story from The New York Times