1. The document discusses various digital audio/visual technologies used in teaching including interactive whiteboards, tablets, computers, e-books, wireless networks, optical media, digital video editing, and internet video.
2. It provides details on how each technology can be used, such as running software and polling audiences for interactive whiteboards, and note taking and presentation capabilities for tablets.
3. The document also discusses digital video editing techniques including film splicing, tape-to-tape, and digital/computer editing as well as online discussion tips and examples of video sharing on YouTube.