How to become a LinkedIn power user in five easy steps

LinkedIn is the most popular business network on the planet, boasting more than 200 million users. You're probably one of them. Also highly probable: You're not taking full advantage of this business and career networking service. Here's the good news: LinkedIn can be an excellent resource without becoming a time sink. Don't neglect your profile or the service in general just because you're not actively looking for a job at this very moment. Hiring managers, clients, colleagues, and potential cu...