Move Over Kindle; E-Books Hit Cell Phones

Who needs an e-book reader from Amazon or Sony when you can download tomes to a smartphone, often at a fraction of the cost
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Adam Parks is an avid reader of digital books. But you won't find him downloading the 20 or so titles he reads each year onto an electronic book device like Amazon's Kindle. Instead, Parks flips through pages—Web-site design manuals and Sun Tzu's The Art of War are recent favorites—on his trusted iPhone.

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