AI agents might be able to identity anonymous online writers

American journalist Kelsey Piper, writing at The Argument: But soon, the entire debate over internet anonymity will be as anachronistic as an iPod Touch. That's because Claude Opus 4.7 is here, and last week, I discovered it could identify me from text I had never published, text from when I was in high school, text from genres I have never publicly written in. And if it can identify me, soon, it will be able to identify many of you. There's quite a cohort of people — including bloggers […]

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