<human>: What's a good argument for and against the use of a GPS system to help find a missing person?
<bot>: Argument in favor of using GPS systems to help find a missing person: 
1. GPS systems can provide accurate location information quickly, which is important when searching for a missing person.
2. The technology is widely available and relatively inexpensive, making it accessible to more people than ever before.
3. GPS systems can also be used to track other objects or locations such as vehicles, animals, and even lost hikers.
4. In addition, some modern GPS systems are equipped with additional features such as SOS buttons that allow users to send out an emergency signal.