This document summarizes a presentation on online work exchanges and their present and future role in the network economy. It discusses how such exchanges provide new ways for people to find work and for clients to find workers. While often criticized as enabling "free labor," the presentation argues they provide opportunities for flexible employment. Potential policy areas impacted are identified as employment, skills, entrepreneurship, social policy and international development. Challenges discussed include how to support workers and platforms while addressing issues like insecure work. Overall the presentation explores both the opportunities and challenges of online work exchanges in redefining how people are employed and work gets done.