Wikipedia is an idea that probably should NOT work... but it does! On January 15, 2021, Wikipedia celebrated its 20th anniversary with over 6 million English articles and having just celebrated its 1 billionth edit (Jan 13). In this 404th episode, I talk about this milestone, and my own involvement in Wikipedia editing - and some of the things I've learned over this year. Some links:

- https://wikimediafoundation.org/wikipedia20/

- https://en.wikipedia.org/wiki/Wikipedia:20th_anniversary

- https://twitter.com/Wikipedia/status/1350125701513572355

- https://www.washingtonpost.com/technology/2021/01/15/wikipedia-20-year-anniversary/

- https://en.wikipedia.org/wiki/User:Dyork