"These points illustrate the long struggle educators have had with contemporary technologies." (p.31) This passage is key to realizing that there are in fact a lot of new types of technology and it is almost impossible for teachers these days to keep up to date with all the new technologies that there are to offer, and even of we wanted to, the funds to get these technologies is not possible.
"The school system relies on common and well-tested technologies." (p.33) This shows how schools are tending to lean towards technologies that have already been used in other classrooms than going out and buying a whole new type of technology.
"The technologies that guide a system can be as difficult to change as the practices they guide." (p.34) Once you have become used to a system, it is hard to change to a whole new type of technology. It is hard for people to change their ways.
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