Using python to scrape and analyse Facebook Messenger data, downloaded as HTML from Facebook as in https://www.facebook.com/help/212802592074644.
If you're having trouble rendering messenger-scraping.ipynb in GitHub, please do use Jupyter's nbviewer: https://nbviewer.jupyter.org/github/pedromlsreis/facebook-messenger-scraping/blob/master/scraping-messenger.ipynb