"That’s because context is key for social networks, Cohen says. Students don’t want to 'friend' their professors on Facebook (or connect with them on LinkedIn in any significant capacity) and they don’t want to broadcast photos from last night’s party to the world of family members and grandmas on Facebook."<p>Hasn't Google+ essentially solved a generalization of this problem with Circles? Creating a whole new account just to keep your networks separate seems very clunky (and highly inelegant) by comparison.