https://towardsdatascience.com/the-unreasonable-effectiveness-of-method-chaining-in-pandas-15c2109e3c69

https://www.theguardian.com/us-news/2019/jul/22/facebook-cafeteria-workers-protest

https://medium.com/the-downlinq/announcing-solaris-an-open-source-python-library-for-analyzing-overhead-imagery-with-machine-48c1489c29f7

https://blog.datawrapper.de/weekly-chart-co2-per-capita-consumption-vs-emission/

https://towardsdatascience.com/how-and-why-i-got-75gb-of-free-foreign-exchange-tick-data-9ca78f5fa26c

https://hackernoon.com/introducing-grid-studio-a-spreadsheet-app-with-python-to-make-data-science-easier-tdup38f7

https://github.com/oppia/oppia