As the world gets smaller, the talent pools available to firms are getting much, much bigger. By bringing employers and workers together and solving key challenges of contracting at a distance, digital labor platforms are changing the way work is done. Professor Chris Stanton, who has studied them for over a decade, discusses the ins and outs of tapping into these labor sources, how workers on these marketplaces compete, and how platforms are disrupting management. Are physical offices a thing of the past?