As the text discusses, there have been numerous improvements in quality (color, HD, DTV), improved abilities to transport the signal (antenna, cable, fiber optic cable--I have this through AT&T UVerse now) and improvements in our ability to preserve television content (VCRs, DVDs, TiVo's, DVRs). It also has become far easier to create video--just about anyone can do it now and the equipment is cheaper, more accessible and easier to use than ever before. The advances in editing--iMovie for Apple-ites like myself--have improved the ability for any of us to make near-professional quality video. All of these improvements have led to teachers' ability to utilize television and video as a form of presentation/instruction and our ability to archive those videos.
Channel One, a service that I experienced as a high school student in the 90's and now as a teacher in the 00's has provided a welcome source of televisions and student-engaging current events broadcasting. It also provides the opportunity to easily access PBS educational videos.
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