https://www.cnbc.com/2018/10/26/reid-hoffman-on-elon-musk-i-do-think-hes-learning.html

Reid Hoffman, the billionaire co-founder of Linkedin, goes way back with Elon Musk. They were both part of the "PayPal Mafia" — a group of important executives at the company, many of whom have gone on to achieve other successes in technology and business.

Hoffman sat down with Adam Bryant for a wide-ranging discussion. Musk came up as a figure generating a lot of headlines these days.