for your speech recognition system or the blue score for your translation system or the Younger suit for your document classification and this is kind of where NLP has really taken off leveraging these language models and kind of the history of the last five years has been discovering more and more ways we could use smarter and smarter language models or better and better language models to do more and more things so let's go through kind of the history here of kind of the sequence of developing real context models models