LinkedIn, the social site that specializes in professional networking, is one of the most underutilized digital platforms among independent retailers. The 10-year-old network, which boasts some 250 million users in more than 200 countries, initially was pitched to job seekers. But it’s rife with marketing and operational opportunities for business owners. We asked LinkedIn expert Viveka von Rosen, author of LinkedIn Marketing: An Hour a Day, how jewelry retailers can use the site to pump up their online presence, find employees, and position themselves as industry experts. What’s the most important thing retailers should know about LinkedIn? You want to be findable. Maybe someone is looking to form a potential partnership. LinkedIn is more about presence [than sales]. It’s a great place to find employees and vendors. What’s the difference between a company page and a perso