The medium not only controls how things are communicated, but what things are communicated.

In health care, information technology has already made a fabulous impact. In education, its impact will be greater. However, attempts to put ordinary college courses on the Internet are a mistake. Marshall McLuhan was correct. The medium controls not only how things are communicated, but what things are communicated. On the Web, you must do it differently.

You must redesign everything. Firstly, you must hold students’ attention. Any good teacher has a radar system to get the class’s reaction, but you don’t have that online. Secondly, you must enable students to do what they can do in a college course, which ...

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