Marco Zappacosta (Co-founder & CEO of Thumbtack) talks with Pete Flint (NFX & founder of Trulia) about what it takes to build a billion-dollar marketplace and the lessons he's uncovered along the journey.

They discuss how they solved the chicken & egg problem, what he would have done differently as an early-stage marketplace, fundraising lessons, and how short-term metrics can actually hinder long-term retention.

Read more essays from NFX - www.nfx.com