Cary Memorial Library director Koren Stembridge will discuss how library services are expanding and changing in the digital age during a program at 9:30 a.m. Friday at the library. Organized by the League of Women Voters of Lexington as part of its “First Friday Forums’’ series, the free event will also feature Cynthia Johnson, head of reference at the library, discussing online resources, digitization of historic book collections, and e-books. Jeanne Krieger, president of the Cary Memorial Library Foundation and a former library trustee, will discuss library governance, and the private and public partnerships essential to sustain and improve the library. The discussion will be in the library’s community room. - Brock Parker