Sharing and so-called “collaborative consumption” is poised to alter city life, company life, and family life. We now use digital tools to assist in sharing cars, bikes and apartments. But we’ve always shared apartments, restaurants, libraries, workspace and health clubs. As a host of new platforms transform the economics of sharing, what are the parameters of these new transparent eco-systems? How are business, social and cultural norms re-orienting around collaborative consumption and the sharing economy?