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You make very clear understanding on each section of the book. But it is hard for me to relate the first few paragraphs to the content of the book, would you indicate that? Or if they are just your opinions, then never mind. I agree with your last few paragraphs, even though I think there are a lot more technologies other than cellphone we are using now for education. It is not cellphone's fault if the kids use it for cheating, they can also use small cheating sheets. Then do we need to get rid of paper? You are right on this point, but do you think only writing reflective paper will help understand all the content of classes? How can you test on some classes such as math, statistics, physics?