User:ToBeFree/sandbox-old

The previous "proof of concept" can be found at Special:PermanentLink/827686115; a tutorial of extracting the hidden information can be found at Special:PermanentLink/857110047.

The previous content of this page has been moved, deliberately without the revision history, to WP:Steganography. ~ ToBeFree (talk) 04:03, 2 September 2018 (UTC)