“The David Kahn Story” is a new Hollywood film, starring Sean Connery and Leonardo DiCaprio. I am a character in this movie, played by German actor Hape Kerkeling.

Cardsharping with steganography is a popular motive on classical paintings. Here are five examples.

The Cheltenham Listening Stones are a set of nine sculptures located next to the GCHQ headquarters in Cheltenham, UK. Two of the stones bear an encrypted inscription.