Michael Mayer is the founder of Bottomless, a company that uses a smart scale to automatically order coffee for customers.

Alexander Cortes is a personal trainer and health writer.

In this episode, Tim calls listeners and answers their questions.

Naval Ravikant is the CEO of AngelList as well as an investor in about 200 companies and an adviser to many.

Caterina Fake is the co-founder of Yes VC. She is also the co-founder of Flickr and has previously served as Chair of Etsy.

Scott Adams brought Naval Ravikant into his Periscope session to chat about cyrptocurrency, Twitter, climate change, universal basic income, the illusions of life and more.

The long awaited return of Naval Ravikant to Periscope.

Susan Cain is the author of Quiet Power: The Secret Strengths of Introverts and Quiet: The Power of Introverts in a World That Can't Stop Talking.

Greg McKeown is the author of the New York Times bestseller, Essentialism: The Disciplined Pursuit of Less.

Patrick Collison is the CEO and co-founder of Stripe.

Kamal Ravikant is the author of Love Yourself Like Your Life Depends On It, Rebirth, and Live Your Truth.

Ed Latimore has one of the best accounts you can follow on Twitter. In this podcast interview with Joe Ingram, Ed dives deep into what makes him who he is today.

"Detachment is necessary for peace, and peace is necessary for happiness" - Naval returns to Periscope.

Yuval Noah Harari is the author of perhaps the two most important and thought provoking books of our time - Sapiens: A Brief History of Humankind and Homo Deus: A Brief History of Tomorrow. His latest book is titled - 21 Lessons for the 21st Century.

Robert Greene is a New York Times bestselling author, most well know for his book - The 48 Laws of Power. Robert and Shane discuss Robert's writing and reading process, alive time vs. dead time, and how we can can ask better questions.