David Marcus: How I Came to Lead PayPal; Why FB's Crypto Failed; How AI Fixes Inequality | E1001David Marcus: How I Came to Lead PayPal; Why FB's Crypto Failed; How AI Fixes Inequality | E1001TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse