High-tech training has obviously been around for years and infiltrated many sports. But the London 2012 Olympics is a showcase for how mobile has also infiltrated modern athletics.
One reason is the way the Olympics is a one-every-four-years showcase for certain kinds of individual sports.
In such individual sports – think hurdling or diving – the emphasis is on the athlete to beat a particular time, distance or other mark. Practices basically become simulations of actual....