https://medium.com/new-york-magazine/can-this-slingshot-building-german-unionize-youtube-750d87e23862

https://sites.google.com/view/hal-demo

https://www.theguardian.com/technology/2019/jul/09/tesla-workers-terminated-claim-maternity-sick-leave

http://pymprog.sourceforge.net/

http://worrydream.com/#!2/LadderOfAbstraction

https://alexioannides.com/2019/07/28/best-practices-for-pyspark-etl-projects/

https://www.reddit.com/r/datascience/comments/cf9giw/learn_data_science_through_100_trading_strategies/