Rule 34 is a near-future science fiction novel by Charles Stross. It is a loose sequel to Halting State, and was released on 5 July 2011 (US) and 7 July 2011 (UK). The title is a reference to the Internet meme Rule 34, which states that "If it exists, there is porn of it. No exceptions." Rule 34 was nominated for the 2012 Arthur C. Clarke Award and the 2012 Locus Award for Best Science Fiction Novel.