Facebook just “updated” its privacy settings, and I almost did not notice. That’s because I’m (Facebook founder) Mark Zuckerberg’s nightmare: I don’t “share” anything on Facebook to begin with, so my Facebook profile contains little to be private about.

But some of those who do share things on Facebook “came close to killing [their] account this week”, as Danny Sullivan did, when they paid attention to the details of the change.

A year ago I predicted in our (The Economist’s) sister publication, The World in 2009, that this brave new culture of “sharing” would cause discontent. Maybe that point is now nigh. For me personally, it arrived long ago.

Because I used to cover the internet in my previous beat at The Economist, I had to be one of the first to try new things like Facebook, and I usually was. But from the start I made a pact with myself:

• No pictures of, or (indexable, Googlable) information about, my loved ones.
• No names, birthdays, diaper photos etc.
• No drive-by shootings (photo, video, status update) of third parties

In particular, my wife and children should, in effect, not be on the internet at all unless they themselves later choose to put themselves there. You may have noticed that their names do not appear on The Hannibal Blog, even though I share my ideas here quite liberally. Yes, you may know me very intimately by now in an intellectual way–as I feel I know some of you quite intimately through your comments even though I only see your pseudonym and avatar. But you do not know me biographically beyond what I choose to divulge. I practice Platonic sharing.

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