The best thing since sliced bread? Mobile phone technology and public health.

A curious story caught my eye in the Sunday Telegraph. It told how High Street retailers are sending adverts and money-off coupons to the mobile phones of passers-by.  Soon, they hope to be able to track people through their shops; when they pass the sock counter or the delicatessen they'll get more messages about the … Continue reading The best thing since sliced bread? Mobile phone technology and public health.