As Josh Bersin states in his article Career Management goes mission critical; "One of the most disruptive changes in the world of work is the new way we manage our careers. Only a few decades ago people relied on their employers for a career. Today this has radically changed, giving birth to a new set of challenges, a new market of tools, and an exciting new marketplace for job seekers." The lines between our work and personal lives are shifting. We are living longer, which means we will be askedto master more and different skills over time as the nature of work changes.