Am I the only one who finds this self-publishing idea extremely scary. Think of the power someone can yield if they "publish" a book that contains morally reprehensible content and try to pass it off as a "textbook"? Is someone at Apple going to actually read these "textbooks" for erroneous information and other morally questionable content? And if so, what are their qualifications?
School children are going to be able go onto iTunes, go to the "textbook" section, and download some garbage? And remember, its not just "adult content" that I am scared of. There are much more damaging themes than making boobs jiggle. Just a glimpse through the App Store send shivers down my back. It's questionable if an individual makes an iPhone app with disinformation in it, but its a totally different ballgame if they label it a "textbook".
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Freedom of speech is fine with me, but do not label these creations as "textbook" that are aimed at children. Remember, today's presentation was geared towards the educational community. There are parents out there who go to the end of the world keeping their family's internet clean, now they will have to deal with a "textbook" section in iTunes.
I really do not think this is going to be a major problem. First, as has been mentioned there already exists a place to get incorrect information about the world and that is the Internet. Second, there are awful textbooks that actually get published anyways. Third, I don't see many children who are going to voluntarily download textbooks for the fun of it.
Ultimately there are adults who are responsible for developing curriculum and textbook adoption for the classroom and the potential for the proliferation of garbage is not going to stop that.