If you have a LinkedIn account, your connections probably consist of a core group of people you know well, and a larger set of people you know less well. The latter are what experts call “weak ties.” Now a unique, large-scale experiment co-directed by an MIT scholar shows that on LinkedIn, those weak ties are more likely to land you new employment, compared to your ties with people you know better. “When we look at the experimental data, weak ties are better, on average, for job mobility than strong ties,”…