neighbors given the neighbors you're trying to predict the surrounding context so one idea which was explore way back in 2013 was this word to back and we're going to cover that for us because it's very foundational so this is a figure from the bar from the 2:00 to 4:00 in class with Stanford and where the goal is to learn good word embeddings so we're the bearings are very fundamental like you have a lot of words in the vocabulary and you would like to represent them vectors so that similar words are having similar kind of