Spectrem Articles Subscription A Spectrem article subscription is required to access articles in this dashboard. Article Date: 07/27/2016 How Millionaires Use LinkedIn Are you using LinkedIn like a Millionaire?Launched in December, 2002, LinkedIn has carved itself a niche as the less social and more professional networking site. It has more than 433 million members in more than 200 countries and territories, according to the company website. Professionals are signing up to join LinkedIn ... Log in to view full article. Sign In Forgot your password? For more information about Spectrem Articles Subscription Plan, or to purchase CLICK HERE