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Re:Be careful what you copy: Invisibly inserting usernames i... by zbobet2012 on Wednesday April 04, 2018 @02:33AM (#16752502)
The easiest is again to do synonym/word/punctuation replacement but with the intent of altering the letter frequency instead of embedding information directly.

It's effectively a compression scheme built on-top of synonym replacement using "extra" available information to pack more bits in less words. This means even sentence long quotes in summary form are enough to compromise someone.

Re:Be careful what you copy: Invisibly inserting usernames i... by tjoff on Wednesday April 04, 2018 @03:17AM (#16752681)
It sounds to me that it would be blatantly obvious that a human didn't write whatever result that may produce.

And I don't quite get how you can encode that much information in a sentence without it being completely garbled.

Re:Be careful what you copy: Invisibly inserting usernames i... by athenot on Wednesday April 04, 2018 @10:57AM (#16755305)
It seems to me that it'd be very obvious that a human did not write whatever result that could produce.

Here's 5 bits in that simple sentence. I'm sure others can do better.

Re:Be careful what you copy: Invisibly inserting usernames i... by specialist on Wednesday April 04, 2018 @02:12PM (#16757367)
It now occurs to me: inject common proofreading mistakes that often go unnoticed.