The concept of sharing isn't too complicated — we all more or less learned what it meant when we were still crawling around in sandboxes. But in this episode of Upstream, we discover that sharing can mean different things to different people. To some, platform applications such as Uber and Taskrabbit are part of what has come to be known as the Sharing Economy. To others, these apps fall under a different title: precarious labor. Or the gig-economy. Or Microwork.