“What makes a contact useful for a job change, argued Granovetter, is neither the closeness of our relationship with them nor the power of his or her position. It is the likelihood that the person knows different people than we do and, therefore, bumps into different information. The acquaintances, neighbors, and coworkers who operate in the same spheres as we do can rarely tell us something we don’t already know because they hear about the same things we do. Of course, having an Ivy League, Oxbridge, or Grande École connection can dramatically improve one’s prospects for moving into certain closed circles. But even members of elite tribes need “weak ties” to connect to worlds outside their immediate experience. Yet most people, like Harris, wait until they have been stuck for quite some time before starting to look outside their core circle of friends and colleagues. Our close contacts don’t just blind us, they also bind us to our outdated identities. Reinventing involves trying on and testing a variety of possible selves. But our long-standing social networks may resist those identity experiments. Remember Gary McCarthy’s chagrin when he learned, three years out of college, that his family had already pegged him as a “finance person”? Without meaning to, friends and family pigeonhole us. Worse, they fear our changing.”