With SimulcamTM, whenever two athletes are competing at different times but over the same terrain (skiers, for example), their filmed performances can be combined into a single video. This video shows both competitors appearing to compete together. SimulCamTM pictures show the relative position, speed, and posture of the two competitors at each instant in a single display, allowing for a direct side-by-side comparison of athletic performances. SimulcamTM’s value for professional commentary at televised athletic events is much appreciated by experts, especially for purposes of comparing performance styles and visualizing time differences. It illustrates what one tenth of a second's difference can mean in competition. This technology is used in a variety of sports, but it is particularly dramatic to watch during the Olympics. There, tiny flaws made visible can keep a competitor off the medal stand.