(By Efficient Hire Employee Onboarding Staff) With wildly popular social networking sites like Facebook, Twitter and LinkedIn, the lines of personal and business use are becoming increasingly hazy. They ways people communicate with one another have changed tremendously in the past several years, and the power of these social networking sites is impossible to deny. How are your employees, customers, and vendors using these websites? How often are they using these sites and what are they saying about your company? As you explore these questions and more it's important to remember a few guidelines as you begin considering and developing a policy.