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A comment on Be careful what you copy: Invisibly inserting usernames into text. Parent comment

Re:Be careful what you copy: Invisibly inserting usernames i... by Mashimo on Wednesday April 04, 2018 @05:16AM (#16753211)
Has been done, see my comment above.

http://failheap-challenge.com/showthread.php?12731-Once-upon...

The images are 404, but they used a background with slightly different color and something similar to a QR code.

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Re:Be careful what you copy: Invisibly inserting usernames i... by nzpopa on Wednesday April 04, 2018 @06:32AM (#16753472)
The background trick is cool, but what happens if the user removes it entirely? Lexical Steganography might be a more suitable approach: http://web.mit.edu/keithw/tlex/
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Re:Be careful what you copy: Invisibly inserting usernames i... by Mashimo on Wednesday April 04, 2018 @06:56AM (#16753596)
Just skimmed it, but is that not close to method #2 the same Alliance used: http://failheap-challenge.com/showthread.php?16311-Taking-th...
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