Markov chain - Wikipedia, the free encyclopedia Markov processes can also be used to generate superficially "real-looking" text given a sample document: they are used in a variety of recreational "parody generator" software. These processes are also used by spammers to inject real-looking hidden paragraphs into unsolicited email in an attempt to get these messages past spam filters. By fjordaanin Public bookmarkswith generatormarkovrandomrobotspamtextturing