Get your fill of freebies and discounts from O2's exclusive Priority Moments service? Then you might be interested in where the UK carrier's headed next -- the running track. Nike's decided to team-up with the operator and, with its Nike+ tech, offer a new app hub that ties into the UK's very hectic summer of sport. Priority Sports launched today in Nike Town, London, replete with the likes of marathon world record-holder Paula Radcliffe ready to talk up the new service. The app will offer up videos, fitness advice and even more Nike-centric editorial content. Accessible