How is technology changing the future of rugby?

O2 Guru TV have been investigating the ever-evolving ways that new technology is transforming the world of sport, for both players and spectators. From gadgets that monitor the vital stats of entire teams, to bringing spectators real-time stats and commentary with Google Glass, check out how technology may enhance the sporting world in the not too distant future. Watch out for some particularly interesting gumshield technology that could help rugby deal with its great concussion problem.