What’s So Great About LinkedIn? That’s what a friend, a highly paid corporate lawyer, asked me. He thinks he doesn’t need it. But I do. I’m an entrepreneur. Here’s 4 ways you can use LinkedIn. 1.  Find people you want to do business with.  Collaborators, partners and clients 2. Learn about the competition. You can see what they are up to. If you’re looking for work, you can see what they do, and get clear on how what you do…