For years, reference publishers have provided new editions of print sources. In an electronic environment, some of the updating processes and access issues are presenting a new array of challenges. I'll discuss several of these challenges below, drawing on information gathered through an informal March 2011 survey of reference publishers and aggregators, including ABC-CLIO, EBSCO, Gale/Cengage Learning, M. E. Sharpe, Oxford University Press (OUP), Sage Reference, and Salem Press.