You're referring to the book "Outliers: The Story of Success" by Malcolm Gladwell!
Here's a brief summary and some key takeaways: Outliers The Story of Success
Gladwell popularized the idea that mastery of a skill or field requires a minimum of 10,000 hours of practice. This concept, known as the "10,000-hour rule," was originally proposed by Anders Ericsson, a Swedish psychologist. Gladwell uses this idea to explain why some people become experts in their fields, while others do not. You're referring to the book "Outliers: The Story