Consider an in-car navigation gadget for route planning, and come up with one positive and one minus situation. Consider all of the device's probable advantages in the plus situation. Consider...

Consider an in-car navigation gadget for route planning, and come up with one positive and one minus situation.

Consider all of the device's probable advantages in the plus situation.

Consider everything that could go wrong in the worst-case scenario.

Note: This question is connected to the HCI subject; please answer it correctly and completely.