<a href="http://blogs.independent.co.uk/independent/2008/11/cyberclinic-flu.html">Cyberclinic: Flu outbreaks and traffic jams</a>

We're often told how valuable our personal data is, and how we ought to keep it all as close to our chest as possible in order to maintain our privacy, thus stopping people from stealing our identity, clearing our bank accounts and operating international drugs cartels under our name.