"The password," I said, finally understanding what she wanted of me. She wanted me to say it out loud, here, where she could record it, where her pals could hear it. She didn't want me to just unlock the phone. She wanted me to submit to her. To put her in charge of me. To give up every secret, all my privacy. "The password," I said again, and then I told her the password. God help me, I submitted to her will.

She smiled a little prim smile, which had to be her ice-queen equivalent of a touchdown dance, and the guards led me away. As the door closed, I saw her bend down over the phone and key the password in.

I wish I could say that I'd anticipated this possibility in advance and created a fake password that unlocked a completely innocuous partition on my phone, but I wasn't nearly that paranoid/clever.

You might be wondering at this point what dark secrets I had locked away on my phone and memory sticks and email. I'm just a kid, after all.

The truth is that I had everything to hide, and nothing. Between my phone and my memory sticks, you could get a pretty good idea of who my friends were, what I thought of them, all the goofy things we'd done. You could read the transcripts of the electronic arguments we'd carried out and the electronic reconciliations we'd arrived at.

You see, I don't delete stuff. Why would I? Storage is cheap, and you never know when you're going to want to go back to that stuff. Especially the stupid stuff. You know that feeling you get sometimes where you're sitting on the subway and there's no one to talk to and you suddenly remember some bitter fight you had, some terrible thing you said? Well, it's usually never as bad as you remember. Being able to go back and see it again is a great way to remind yourself that you're not as horrible a person as you think you are. Darryl and I have gotten over more fights that way than I can count.

And even that's not it. I know my phone is private. I know my memory sticks are private. That's because of cryptography -- message scrambling. The math behind crypto is good and solid, and you and me get access to the same crypto that banks and the National Security Agency use. There's only one kind of crypto that anyone uses: crypto that's public, open and can be deployed by anyone. That's how you know it works.

There's something really liberating about having some corner of your life that's yours, that no one gets to see except you. It's a little like nudity or taking a dump. Everyone gets naked every once in a while. Everyone has to squat on the toilet. There's nothing shameful, deviant or weird about either of them. But what if I decreed that from now on, every time you went to evacuate some solid waste, you'd have to do it in a glass room perched in the middle of Times Square, and you'd be buck naked?