Daughter sharing iPhone location with us. Discuss?

Our daughter has started driving recently. When I started driving, I had to tell my parents where I was going, what I'd be doing, whom I'd be doing it with, and when I could be expected back. In the late 80s, nobody had cell phones, much less smartphones, but now we can share our location with each other (i.e. Where I can see where she is at any given time.

I want to discuss the pros and cons of doing so. Here are the reasons I've identified:

- In case of an emergency, we will know where she is. God forbid she is in a situation where she can't tell us where she is, we will be able to go to her. Of course knowing only her location doesn't mean that she is ok, but it does give us peace of mind.

- It will prevent her from lying about her whereabouts. We will not be monitoring her location on a minute-by-minute basis, but she will know that we can tell her location. This will prevent her from lying to us, even if we don't look at the map that particular night. Granted, we won't be able to tell what she's doing, but again, it's something.

- If she's stuck in traffic, we can tell when she'll get home without her having to pull over and text us.

- In case she loses her phone (as many teens tend to do!), we will be able to tell where it is, and help find it. This only works in the first few hours or at most, 1 day, but it still helps.

She will be told that we will never ever show up unannounced at her location unless we suspect something is seriously wrong.

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