Now you are in the subtree of TECHNOLOGY and MARKETS public knowledge tree. 

Twitter API - general

https://blog.twitter.com/developer/en_us.html

https://blog.twitter.com/developer/en_us/topics/tools/2020/introducing_new_twitter_api.html

https://blog.twitter.com/developer/en_us/topics/tools/2020/a-year-with-twitter-developer-labs.html

NLP on Twitter

Analyzing Tweets with NLP in minutes with Spark, Optimus and Twint

Social media has been gold for studying the way people communicate and behave, in this article I’ll show you the easiest way of analyzing tweets without the Twitter API and scalable for Big Data

Mining Twitter Data without API keys

Getting Twitter Big Data for Analysis with a Single Line of Command