Useful resources:
https://medium.com/@ageitgey/natural-language-processing-is-fun-9a0bff37854e
https://towardsdatascience.com/text-analysis-feature-engineering-with-nlp-502d6ea9225d
https://towardsdatascience.com/introduction-to-word-embedding-and-word2vec-652d0c2060fa
https://towardsdatascience.com/document-embedding-techniques-fed3e7a6a25d
Applications and deep learning:
https://medium.com/dair-ai/deep-learning-for-nlp-an-overview-of-recent-trends-d0d8f40a776d
https://www.kdnuggets.com/2020/01/nlp-year-review-2019.html
https://www.analyticsinsight.net/top-10-natural-language-processing-nlp-trends-for-2021/