DETROIT, MI.- The Detroit Institute of Arts announced that yesterday it reached a milestone of 100,000 fans on Facebook. To celebrate and thank fans for their support, the DIA is offering free admission for Facebook fans during March. To receive free admission during March, visitors must be DIA Facebook fans and bring in the “free pass” that is displayed on the DIA’s Facebook page. One free pass admits up to four people. The page can be accessed at www.facebook.com/detroitinstituteofarts. The announcement came three days before the museum’s projected goal of reaching 100,000 fans on March 1. The DIA announced the March promotion to Facebook fans last Friday when the fan count was just over 97,000. Within three days, more than 3,000 new Facebook fans signed on, and Tuesday morning, the DIA passed the 100,000 mark. According to Museum Analytics,