How many times have you heard the saying “It’s not about what you do but who you know”? -- probably too many to count. Regardless of whether that’s your current business mantra, it's hard to ignore the advantages of tapping into your network. From landing jobs to furthering your career, the benefits of building relationships are undeniable. If you’re thinking, “Well, that sounds easier said than done,” you’re right. But here’s a tool that can lend you a helping hand: LinkedIn Alumni.