More and more, consumers are turning to Uber to hail rides with their smartphones, or renting spare rooms from strangers online through Airbnb. These companies typify the sharing economy where everyone can be a micro-entrepreneur and provide valued services without a professional middleman. But as these peer-to-peer businesses explode in popularity, cities are dealing with major questions over how to regulate them. Following a wave of recent protests by taxi drivers across the U.S. and Europe, the debate over these services is heating up. Diane and her guests have a conversation about regulating the sharing economy, and what it means for businesses and consumers.