In 1971, Michael Hart, a student computer operator at the University of Illinois,
typed up the text of the U.S. Declaration of Independence, and thus the idea of the e-
book—a digital book read on a computer or a digital reading device—was born. Hart
soon founded Project Gutenberg, which now offers more than forty thousand public
domain books (older texts with expired copyrights) for free at www.gutenberg.org.
However, the idea of commercial e-books—putting copyrighted books like current
best-sellers in digital form—took a lot longer to gain traction.
In the 1990s, early portable reading devices were criticized for being too heavy, too
expensive, or too difficult to read, while their e-book titles were scarce and had little
cost advantage over full-price hardcover books. But in 2007, Amazon—the largest
online bookseller—developed an e-reader (the Kindle) and an e-book store that
seemed inspired by Apple’s iPod and iTunes, which changed the music industry. The
first Kindle had an easy-on-the-eyes electronic paper display, held more than two
hundred books, and did something no other device before could do: wirelessly
download e-books from Amazon’s online bookstore. Moreover, most Kindle e-books
sold for $9.99, less than half the price of most new hardcovers. This time, e-books
caught on quickly.
Amazon has continued to refine its e-reader, and in 2011 it introduced the Kindle
Fire, a color touchscreen tablet with web browsing, access to all the media on
Amazon, and access to Amazon’s Appstore. Apps also have transformed the iPod
Touch, the iPhone, and other smartphones into e-readers. In 2010, Apple introduced
the iPad, a color touchscreen tablet that quickly outsold the Kindle. The immediate