African-Americans, Hispanics, and those who live in lower-income households are more likely than others to say they would be interested in borrowing pre-loaded e-reading devices and take classes about how to use the devices and download books.

CNN: E-book lending: Your public library's best kept secret?

If I'm on the fence about a candidate but they take the time to e-mail me and thank me for having them come in, it shows me that they are motivated, tactful and professional.

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At Harvard, Kaufman teaches a course about how to take a great idea--i.e.

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Take for example an e-mail I received from a California firefighter who read my book about the optimism bias.

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About a third would be at least somewhat likely to take library classes on how to download e-books onto handheld devices (including smartphones), or classes on how to use an e-reader or tablet computer.

CNN: E-book lending: Your public library's best kept secret?

If you want e-mail but don't care much about a Web presence, some domain registrars can take care of your needs cheaply or for free.

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