 We have chat gpt today that answers your questions. This is a language model. But what was the first language model? And when was it invented? That title goes to the ngrams model introduced back in 1948. n is a number, grams is token, like a word or a character, and model is probability. So a unigram model for example would be the use of single character probabilities to represent language. Using ngram models, we can represent language with mathematics. And when we can represent language with mathematics, this makes it possible to use in digital systems. Check out the channel for more information on language modeling.