During the opening ceremonies for the 2012 London Olympic Games, the number of athletes using iPhones to take photos and video during the "march of nations" was staggering. Who knows? When the 2016 Summer Games start up in Rio de Janeiro, the swimmers might be using their iPhones in the pools during their post-race celebrations if they pick up the driSuit endurance waterproof case for iPhone 4 and 4S (US$59.95).
Design
In the past I've looked at several waterproof iPhone cases, with the most successful at this point probably being the