Watch Tom Daschle, the incoming secretary of health and human services, and Lauren Aronson, a member of Obama’s health-policy team, respond to online comments in this video made by the Obama transition team.
Mira Dontcheva, a researcher at Adobe Systems, explains how Zoetrope can be used to browse back through a Web page’s history. She demonstrates a few advanced techniques for looking at historic data and shows how to compare several Web pages over time.
Massachusetts Institute of Technology