Newsletter to upgrade IQ on subjects

Advice on my newsletter please ? Subscribe appreciated, daily rate on average.

Latest post : https://outsideplatoscave.substack.com/p/outside-platos-cave-4

rate : daily, every 2 days

Goal is to make everybody smarter on many topics.

Don't hesitate if you have criticism, it's 100% free i do not intend to monetize anything ... just spread knowledge

Thanks,