There are three types of permission leverage. Permissionless leverage is the newest type, and it's only been made possible by the internet. Once you teach a computer to do something, it becomes virtually free for that computer to do whatever that thing is for customer ten, customer hundred and customer ten thousand. Knowledge leverage is superunderrated. I can become really smart about living a purposeful life by talking to j shetty about his life's work and his time as a monk.