Gender Genie

Here's a site where you can cut and paste text and the algorithm will make a guess whether it was written by a man or a woman. It boasts around success rate of 80% although recent stats indicate a correct rate of closer to 60%.

It appears the woman use personal pronouns more than women, and men use determiners and quantifiers more frequently. With, if, and not are used more by females while around, or are are used by males.

I copied and pasted a passage from Garbage Head and the algorithm guessed the writer was male within less than a second. Then I put in text from the first chapter of my novel in progress and it guessed the author was female. It's a bit addictive.