Robots promise to transform our lives in myriad ways. Having already revolutionized the production line, robots are getting smarter, smaller and more capable, and they're walking, rolling and flying out of labs and into homes and businesses at an astonishing rate. With the ability to perform tasks that are considered too menial or impossible for humans, robots are destined to make many aspects of our lives easier. Will they ultimately supplant us? We'll just have to wait and see.