This video shows how Highlighter can be used to provide research data on student comments around a digital textbook.
Dr. Michael Klymkowsky, University of Colorado at Boulder & Dr. Melanie Cooper, Clemson University, at the Cyberlearning Research Summit on January 18, 2012, Talk Set 5: Digital Books in Social Spaces with Educational Data Mining.
If you would like to jump to the section about Highlighter, skip to 9:32 in the video.