Wired reports on some new techniques for tracking alleged copyright infringers, now available to Hollywood. They largely consist of hiding information within a movie file, and are therefore steganographic.
There’s a consortium that does this: DCI.

Wired reports on some new techniques for tracking alleged copyright infringers, now available to Hollywood. They largely consist of hiding information within a movie file, and are therefore steganographic.
There’s a consortium that does this: DCI.