Videocue is a unique rich media presentation toolkit that allows you to write and record your speeches of you reading your words aloud, add movies, images and titles – and then easily publish your finished presentation to websites or weblogs.
"Mrmr is a technology that enables you to use ordinary cell phones and PDAs as controllers in audio-visual performances, or to participate in interactive museum exhibits, or to use your mobile device in the place of the mouse or trackpad from your full-size computer." An App Store version is coming in October!