Tween is getting first phone. How do I keep kid safe online? While respecting privacy?

My tween is about to get her first phone. She's not on social media yet and has just started texting with her friends. I'd really like to keep her safe online but I'm so worried about losing her to her phone. I see how much kids spend time online now - and I'm so worried about losing her and worry that she'll stop talking to me and telling me things. I'm also super worried about the kinds of things she'll …

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