Is your LinkedIn profile powerful and alive? Or is it just an empty shell? LinkedIn, with over 300 million profiles world-wide, has become the leading social media site for professional networking that allows members to create business connections, search for jobs, and find potential clients. It’s considered to be the premier professional networking tool. Related: 15 Ways LinkedIn Can Supercharge Your Job Search Results Here are six things you can do today to give your LinkedIn profile power and help you connect with colleagues, potential employers, and jobs.