1. The document discusses current high-tech classroom techniques such as projectors, interactive whiteboards, smart boards, digital textbooks, cameras, audio enhancement systems, online grading systems, class blogs, and publishing student works.
2. It notes that projectors are mainly used for multimedia presentations to save teachers time over writing on chalkboards. Interactive whiteboards allow touch interaction and digital writing on projections of the computer desktop.
3. Smart boards operate similarly but can also record writings. Digital textbooks are becoming more prevalent as they are lightweight, easy to carry, interactive, and can save money compared to physical textbooks.