march 18 Healthcare Network Presents: A New Freedom Trail - Spaulding Rehab Tour - 5 to 8:30 p.m. at Spaulding Rehabilitation Hospital, 300 1st Ave., Boston march 26 Adopting Social Media: An Interactive "How-To" Session - 5:30 to 7:30 p.m. at Avila, One Charles St. Sout, Boston march 28 Emergency Preparedness/Business Continuity Program - 5 p.m. at Federal Reserve Bank of Boston, 600 Atlantic Ave., 4th floor, Connolly Center, Boston For more information visit: www.ifmaboston.org