links I came across
https://www.reddit.com/r/StockMarket/
https://www.reddit.com/r/YouShouldKnow/
https://www.reddit.com/r/ValueInvesting/
https://www.reddit.com/r/chess/
https://www.reddit.com/r/LifeProTips/
https://www.reddit.com/r/explainlikeimfive/
https://www.reddit.com/r/howto/
https://www.reddit.com/r/ProgrammerHumor/
https://www.reddit.com/r/NoStupidQuestions/
https://www.reddit.com/r/askanything/
https://www.reddit.com/r/Calibre/
https://www.reddit.com/r/interactivebrokers/
https://www.reddit.com/r/datascience/