Its quite amazing how gadgets continue to evolve these days. Before, watches are only used for letting people know the current time. Later, it evolved into alarms and stop watches. Today, watches have already evolved into high end gadgets. They are already multi-purpose. Take for example GPS watches. These watches do not only provide people with regards to what time is it already, but also helps people calculate the distance they have traveled.
GPS watches use the latest technology called Global Positioning System. GPS calculates the exact position and timing of a subject. This is also the same system used by the military to locate the position of a person. Often, GPS watches are also categorized as sports watches. This is because these watches are being used by sports enthusiasts and athletes in measuring the distance that they have traveled. For instance, bikers would calculate if how long have they already traveled from one point to another.