My initial reaction was “this is a circle on top of a spiral, what does this prove?”
It blows my mind that even when you’re looking for it, you STILL need to use logic to disprove the illusion.
That red circle is in blue the entire time. It never touches either black & white circle that it is between.
https://gdcvault.com/play/1034535/Independent-Games-Summit-It-s
This is a joint talk with Dana Trebella and Derek Lieu about this exact subject from their professional perspectives (indie marketing and trailer editor, respectively). They both have multiple talks over the years where they explain different aspects of their day to day work. Taken as a whole, it’s a solid crash course on DIY marketing.
Another talk more focused on finding your messaging: https://www.gdcvault.com/play/1025673/More-Feelings-Fewer-Features-Showcasing
If written articles are more your jam: https://www.gamedeveloper.com/marketing/how-to-market-a-game-an-introduction-to-game-marketing