Anyone for a smart scarf? City fans all set for high-tech matchday upgrade

Biometric sensor integrated into the Connected Scarf’s fabricMeasures heart rate, body temperature and emotional responsesFrom the long-gone rattle to instant replays on smart phones, football fans have long marched happily in step with the technological upgrades that enhance their match-day experiences but now comes a gadget that offers to measure their emotional response through the humble supporters’ scarf.Select Manchester City fans will be offered a “smart scarf” nex