Your best career contacts could be the people you barely know

For happiness at work, there are few things better than a work bestie or friendly colleagues. But sometimes the best connections for getting the next job and advancing your career are actually the people you know less well and interact with less frequently. Think of your contacts in concentric circles with you at the center. In the inner circles are people you know best: family, friends, and coworkers. In the circles that are farther from you are people known as weak ties. They are people you...