App available for iPod touch or iPhone to enable student responses - is free application but with subscription required and the teacher has to download and install some software on the podium workstation to use it
Possibly worth investigating. This system has a charge but there are also writings about the same thing at http://mrschwen.blogspot.com and search for 'response'.
"LectureTools is a student response system that also allows students to take notes linked with the slides and videos presented in class, answer instructor generated questions and pose questions to the instructor. All notes, questions and activities are instantly synchronized with the LectureTools web application."
Blending physical & virtual spaces
Queensland University of Technology is currently developing OWL, a new web-based student response system, which blends the physical space with a virtual learning environment to create a live collaborative experience.
Main Features:
* Post comments* Reply to comments* "Like" comments* Poll students* Review archived sessions