Anyone with an iPhone, iPad or iPod Touch can download the CourseSmart App from the iTunes store.

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With it, they can view any of the 8, 500-plus college textbooks they have subscribed to on CourseSmart.com anytime, anywhere and at no cost.

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This, though -- the CourseSmart experiment at those nine colleges, and what it could lead to in the business world -- is the beginning of the next phase.

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But you just know that, as soon as CourseSmart perfects the software and launches it into widespread use, American business and industry are going to glom onto it and adapt it to the workplace.

CNN: Is Big Brother coming to your job?

Jill Ambrose, chief marketing officer of CourseSmart LLC, a joint venture of five leading education publishers that offers digitized course material, said it was likely that relatively few high school students today own an iPad because of the cost.

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We have no idea who would choose an iPhone app over a real, honest-to-goodness textbook, but if you really want to spend marathon cram sessions hunched over a 3.5-inch display, a company called CourseSmart has just made its entire catalog available for viewing with its eTextbooks app.

ENGADGET: CourseSmart releases eTextbook reader for iPhone