You can use the laptop to key in the questions, then your students use their own device to response.
Just that simple!
Here is the adv video. I like this actor very much!
[vimeo 37674303 w=400 h=300]
Application for Education
Maybe you can’t use it in the classroom if your students haven’t devices. But it is a great tool for you to launch staff development, like teacher training. Get their feedback. I think it should be a good motivation for the adult!