From the 1980s, when computer-based education started to be delivered through CD-ROMs, e-learning has boomed, paving the way for several private players and government agencies which create and deliver e-learning systems today.

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Gurney's Violin Sonata in E-Flat Major is featured on a CD, called Works for Violin and Piano, released by EM Records.

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Others' libraries have cut back on other media purchases, such as CD audiobooks, to free up funds for purchases of e-books.

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Once you e-file the return, take it off your hard drive and store it on a CD or flash drive in a safe place, like a lock box or safe.

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At Amazon.com, it takes eight clicks--along with entering an e-mail address, password, physical address and credit card number--to buy the latest Modest Mouse CD.

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At Amazon.com (nasdaq: AMZN - news - people ), it takes eight clicks--along with entering an e-mail address, password, physical address and credit card number--to buy the latest Modest Mouse CD.

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