human
What is a good argument for and against the use of a GPS system to help find a missing person?
assistant
Argument For: 
1.  GPS technology can be used to locate individuals quickly, accurately and reliably in remote areas or in difficult terrain.
2.  It can also provide information about the individual’s current location and direction of travel which can assist with rescue efforts.
3.  In addition, it can help reduce search time by providing an accurate starting point for the searchers.
4.  Finally, GPS technology provides valuable evidence that can be used during legal proceedings.