Tightening the SharePoint List permissions for Power Apps

My previous two permissions related videos (whose links are below) triggered so many questions and comments, that I gathered all of that and created this video. This video focuses primarily on the advanced permissions available for SharePoint lists and how it helps tighten the permissions for Power Apps.

Here are the links to the two videos I mentioned at the introduction:
Control level permissions using Office 365 Groups -    • Control level permission using Office 365 ...  

How to redirect users to the Power Apps app from SharePoint-
   • How to redirect users to the Power Apps ap...  

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