Nice round up.

I made this infographic to help explain it, in context of the share price on a chart: 
GameStop Robinhood Infographic

Also this summary has more detail around the mechanics of how more than the free float of shares in GME could be shorted: 
More info on the short squeeze

29-Jan-2021:  Forager Funds: Weekly Update: The GameStop Short Squeeze Explained

Also, Ausbiz: James Whelan (of VFS Group): How to make the battle between Reddit and Wall St a win-win situation

Also: Frazis Capital Partners: GameStop

Also: Firstlinks Edition 392: GameStop (28-Jan-2021)