A system called TWEETOLIFE, created by researchers from the University of Trento allows to know whether a word is used more by men or women.
Checking on Twitter, the word WAR was used by 64% of men and 36% of women while the opposite was true for the word LOVE. Il sesso di Twitter - Wired.it.
In the end, this type of Artificial Intelligence tool will be used to analyze the differences in behavior between men and women. Not that we needed a tool to understand that there are some fundamental differences between the genders: have you ever seen little boys when they meet each other? Often they greet each other with a bump or a push or a little punch... girls? They usually say "Hi" and smile.