I've often thought the same, and set out to build song writing software with ML principles. I ended up with iRhyme, an iPhone app that analyzed a huge corpus of

I've often thought the same, and set out to build song writing software with ML principles. I ended up with iRhyme, an iPhone app that analyzed a huge corpus of existing song lyrics to make a good song writing oriented rhyming dictionary. That worked out well but improving general prose seems difficult. I think domain specific applications could be good stepping stones.