Alice Hedworth

Whether you be­lieve it is a source of good or source of evil, Lon­don 2012 has shown we’ve en­tered a Twit­ter gen­er­a­tion.

With the Lon­don 2012 Games of­fi­cial­ly start­ing on Fri­day, Al Jazeera dis­cov­ers four Olympic flag-bear­ing tales.