Nowhere else can you browse a selection of more than 82, 000 paper books, walk over to Area-e, our new digital hub, where you test drive a variety of e-Reading devices, and then search for your next favorite book in our e-Bookstore.

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The stock was one of the first new batch of Chinese e-commerce sites to test the IPO markets last year, making its debut in November.

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Despite getting caught in a downpour during my test (with the e-bike working fine in the rain), I was impressed by the experience and plan to rent an e-bike from Hertz again soon.

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As part of a federal green initiative, the Pentagon wanted to test the iPad as document e-reader for its executives.

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Service and quality-control initiatives include more English-Spanish training for store workers, mystery shoppers assigned to put pleasant service to the test, and an "e-learning" program to update employees on new products and services more quickly.

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That looks to be on the tentative mend, as the publisher and 3M have together cut deals with the Brooklyn Public Library and New York Public Library to bring Penguin's e-book catalog back as part of a test program.

ENGADGET: Penguin slinks back into e-book lending for New York City libraries, with a possible catch

Several companies in America scan their employees' e-mail for unpleasant or disloyal material, or test them to see if they have been taking drugs.

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The U.S. Environmental Protection Agency's drinking-water regulations require that all samples test negative for E.coli.

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