In the 1990s, British anthropologist Robin Dunbar proposed a fascinating idea: humans have a cognitive limit to the number of meaningful relationships they can maintain somewhere between 100 and 250, with 150 being the most commonly cited figure. This concept, known as the Dunbar number, suggests that beyond this threshold, our ability to manage stable social connections breaks down. But what…
Category: Books
Reviews about books
The Sinatra Test in Supply Chain Management: Proving You Can Make It Anywhere
Frank Sinatra’s legendary song New York, New York isn’t just a song about ambition—it’s a philosophy. The line “If I can make it there, I’ll make it anywhere” captures the idea that conquering the toughest challenge in your field proves you can handle anything. Chip and Dan Heath, in their book Made to Stick, call this the “Sinatra Test”—a single, high-stakes…