This week, Jon is joined by YouTube sensation and former late night host Lilly Singh. Discussing her new book "Be a Triangle," Jon asks Lilly how she recently got her life "into shape," what being the first on late night meant to her, why she decided to delete social media off of her phone, and how she learned to be alone with her thoughts."Be a Triangle" goes on sale April 5th. Find it wherever your buy books.

Jon is joined by Ev Williams, Co-Founder and former CEO of Twitter. The two discuss Twitter's early years, including the design decisions behind some of the app's most important features. They dive into the promise of Twitter and attempt to make sense of what's changed. Ev also talks about Twitter's newest board member and largest shareholder, Elon Musk, and if Donald Trump should be allowed back on.