Human: What are the benefits and disadvantages of using GPS to help find missing people? Assistant: 
Benefits: 
1. Helps locate missing people quickly, even in remote areas.
2. Allows for more accurate mapping of terrain.
3. Can provide information about nearby landmarks or points of interest.Disadvantages:
1. Requires a clear view of the sky for satellite signals to be picked up.
2. May not work indoors or underground.
3. May not work well in urban canyons.
4. May require additional power sources.