Jess Lee is the CEO and co-founder of Polyvore, an online platform that allows users to discover and shop for fashion and lifestyle products through user-generated content. She discusses how Polyvore combines commerce, content, and community by allowing users to find inspiration through visual sets created by other users, get information on products, and make purchases. She provides tips on building community through company culture and authentic communication, cultivating user-generated content through curation and contests, and driving commerce through clean data, personalization, and tools for brands.