It's 10 p.m., Do You Know Where Your Child's Cell Phone Is?

Today's medianote was about the growing business in tracking people's whereabouts via their cell phones. British employers are beginning to track workers' cell phones through an online service that tells if they are really where they say they are. We discussed the privacy implications of this technology. We also wondered if this will lead to companies that track people's daily migrations in order to send them geographically-specialized traffic and weather reports, news, and ads.