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> In one experiment, researchers were able to identify 80% of users with a 5,000-word writing sample. https://www.schneier.com/blog/archives/2013/01/identifyin

• p0sixlang 7y ago
  I'll just steal one of the comments from the article. "It isn't new, and it's just as overstated as previous studies. The 80% accurate identification rate applies only within the 5,000 subjects. The identification rate will plummet when the pool of writers expands to everyone who can write in English" Like I said, if you can narrow the pool to a small amount of people, than you probably could accomplish this (but even then, there's always the chance two people have similar writing styles.)
  • BlueTemplar 7y ago
    And if you had read further, you would have seen him corrected : it's 5k words, not 5k subjects. (And, also, I do raise this potential caveat in my mention of "needles"...)