An ad hoc committee will plan and conduct a public workshop to commemorate the 2004 release of the Institute of Medicine report Health Literacy: A Prescription to End Confusion. The workshop will feature invited presentations and discussions of the field of health literacy since the release of the report.The topics may include the progress made in the field of health literacy in the past 10 years, the current state of the field, and the future of health literacy at the local, national, and international level. The committee will define the specific topics to be addressed, develop the agenda, select and invite speakers and other participants, and moderate the discussions. An individually-authored summary of the presentations and discussions at the workshop will be prepared by a designated rapporteur in accordance with institutional guidelines.