There are already companies like automatedinsights, Articoolo, https://spinbot.com/ doing this. There are tons of open source packages using markov chains to generate articles. Also see http://www.soliantconsulting.com/blog/2013/02/title-generator-using-markov-chains
We are testing the initial version for tweet generation (since Tweets are short), marketing sites and also integration with Slack bot for impressing your office co-workers.
Stay tuned!