human
What are the benefits and drawbacks of using a GPS system to help find a missing person?
assistant
Benefits: 
1. Increased accuracy in locating someone who is lost or missing.
2. Ability to track movement over time, which can be useful for investigating criminal activity.
3. Can provide an emergency contact with accurate location information.Drawbacks:
1. High cost of equipment and service fees.
2. Limited battery life, requiring regular charging.
3. Requires clear line-of-sight between the device and satellites.