Innovative educators love presenting to tech-savvy audiences. It's backchannel galore with as folks Tweet, tag, and hashtag away. It's great fun to live Tweet from the stage and pull audience polls up while on stage. However there are times when I speak to an audience that simply isn't quite that savvy. Texting to Poll Everywhere, Cel.ly, or asking folks to use a hashtag leaves audience members scratching their heads. But, there is a way you...
