Tracking is now mostly by miniature GPS devices which not only log journeys but also
show in real time where a person, vehicle, boat, or parcel is located.
This facilitates the tracking and location of people for private or commercial clients.
Maybe you want to know where that valuable package is going, or need to check on
a delivery van. Maybe you are lending your vehicle to someone or wish to keep a check
on a family member. Even a gap year student travelling the world could be more secure
if easily located.
Other forms of tracking can be tracking computer activity or mobile phone use.