These J-shaped carbon fiber blades were worn by South African Oscar Pistorius to run in both the Olympic and Paralympic games. The technology used in the Cheetah, made by Icelandic company Ossur, hasn't changed since the late 1990s. In that time, Pistorius has shaved seconds off his personal best through training alone.
When was the last time a corporate worker scheduled time for a project not to be worked on? Even if some appreciate the idea of taking a break, they look sideways at those who actually take one.