Trulia revolutionized the US real estate market by successfully creating an online marketplace for real estate. Trulia’s Founder & former CEO Pete Flint (currently a managing partner at NFX) says Trulia built three distinct types of network effects into the core of its business — data, marketplace, and market network — in order to achieve success, leading to a massive $3.5 billion exit and an industry-shaping merger. Read the full case study here. 10