Recommends standard screencasting tools such as Screenr and Screencast-o-Matic, but also mentions some slide presentation optons such as SlideRocket (part ofGoogle App) and MyBrainshark. Notes how these tools interact with PowerPoint.
Poll Everywhere is a quick way to take a class poll to stimulate discussion. Responses can be sent via cell phones, Twitter, or web browser. Results can be displayed using PowerPoint, Keynote or the web. Showing results can provoke discussion. Can be used in any discipline and most any grade.