Are you ever surprised by how certain you can be about your position on a topic that you only heard about 30 seconds before?

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But for now, you can get a running start on the topic: Please tell me why you started you business, by clicking the comment button.

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While we're on the topic of settings, you can set a maximum and minimum temperature, along with a four-digit password -- you know, so that the kiddies don't have too much fun using that click wheel to crank up the heat.

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And with many textbooks you can click on a Web address to obtain far more information about the topic than could possibly be included within the limits of a book.

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