LinkedIn gives you the opportunity to showcase who you are, what your expertise is, and make important business connections, all in front of a large, high-value audience. But unless you're truly optimizing your profile, you're not going to be able to take advantage of this opportunity, because people are just going to keep scrolling on by. Learning how to strengthen your LinkedIn profile will go a long way, according to LinkedIn trainer John Nemo, as it also strengthens your professional brand.