I've started my paid newsletter in June 2020.I offered 12 (now 8) viral marketing case studies per month. Every study was a "Danny DeVito-size, with, viral & growth hack strategies, viral tools, viral psychology, just meat, no fluff". - Source: Reddit / 20 days ago
Mental Models - Thinking tools to help you navigate life better
Pocket Biases - Every cognitive bias in your pocket.
Super Thinking - The big book of mental models
Trends.co - We track growing startup trends and explain how to pounce
Untools - Hand-picked tools for better thinking
Ground News Bias Checker - Browser extension which exposes media bias as you browse.