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For over 20 years now, I’ve heard all sorts of prophets saying that paper textbooks are dead, and predicting that all textbooks would be electronic within a few years. Year after year, I  hear this prediction—and paper textbooks continue to sell just fine, thank you.  Certainly, electronic editions of mass market best-sellers, novels and mysteries (usually cheaply produced with few illustrations) seem to do fine as Kindle editions or eBooks, and that market is well established. But electronic textbooks have never taken off, at least in science textbooks, despite numerous attempts to make them work. Watching students study, I have a few thoughts as to why this is: Students seem to feel that they haven’t “studied” unless they’ve covered their textbook with yellow highlighter markings. Although there are electronic equivalents of the highlighter marker pen, most of today’s students seem to prefer physically marking on a real paper book. Textbooks (especially science books) are heavy with color photographs and other images that don’t often look good on a tiny screen, don’t print out on ordinary paper well, but raise the price of the book. Even an eBook is going to be a lot more expensive with lots of images compared to a mass-market book with no art whatsoever. I’ve watched my students study, and they like the flexibility of being able to use their book just about anywhere—in bright light outdoors away from a power supply especially. Although eBooks are getting better, most still have screens that are hard to read in bright light, and eventually their battery will run out, whether you’re near a power supply or not. Finally, if  you drop your eBook or get it wet, you have a disaster. A textbook won’t even be dented by hard usage, and unless it’s totally soaked and cannot be dried, it does a lot better when wet than any electronic book.

A recent study found that digital textbooks were no panacea after all. Only one-third of the students said they were comfortable reading e-textbooks, and three-fourths preferred a paper textbook to an e-textbook if the costs were equal. And the costs have hidden jokers in the deck: e-textbooks may seem cheaper, but they tend to have built-in expiration dates and cannot be resold, so they may be priced below paper textbooks but end up costing about the same. E-textbooks are not that much cheaper for publishers, either, since the writing, editing, art manuscript, promotion, etc., all cost the publisher the same whether the final book is in paper or electronic. The only cost difference is printing and binding and shipping and storage vs. creating the electronic version.

On July 31, 2004, hundreds of villagers of Shiji­ahecun hamlet in rural Henan province demon­strated against local corruption. Provincial police from the capital at Zhengzhou dispatched a large anti-riot unit to the village, which attacked the crowd with rubber bullets, tear gas, and electric prods.[12] Propaganda officials immediately banned media coverage of the incident, and the outside world might not have learned of the clash if an intrepid local "netizen" had not posted news of it on the Internet. The Web correspondent was quickly identified by Chinese cybercops and arrested during a telephone interview with the Voice of America on August 2. While the infor­mant was on the phone with VOA interviewers in Washington, D.C., he was suddenly cut short, and the voice of a relative could be heard in the back­ground shouting that authorities from the Internet office of the Zhengzhou public security bureau (Shi Gonganju Wangluchu) had come to arrest the interviewee. After several seconds of noisy strug­gle, the telephone connection went dead

In April 2004, The Washington Post described a typical cyberdissidence case involving a group of students who were arrested for participating in an informal discussion forum at Beijing University. It was a chilling report that covered the surveillance, arrest, trial, and conviction of the dissidents and police intimidation of witnesses. Yang Zili, the group's coordinator, and other young idealists in his Beijing University circle were influenced by the writings of Vaclav Havel, Friedrich Hayek, and Samuel P. Huntington. Yang questioned the abuses of human rights permitted in the "New China." His popular Web site was monitored by police, and after letting him attract a substantial number of like-minded others, China's cyberpolice swept up the entire group. Relentlessly interrogated, beaten, and pressured to sign confessions implicat­ing each other, the core members nevertheless with­stood the pressure. The case demonstrated that stamping out cyberdissent had become a priority state function. According to the Post, Chinese leader Jiang Zemin considered "the investigation as one of the most important in the nation." In March 2003, the arrestees were each sentenced to prison terms of between eight and ten years-all for exchanging opinions on the Internet.[9] Then there is the case of Liu Di, a psychology student at Beijing Normal University who posted Internet essays under the screen name of Stainless Steel Mouse. She is an exception among cyberdis­sidents-after a year behind bars, she is now out of jail. The then 23-year-old Liu was influenced by George Orwell's 1984 and became well known for her satirical writing and musings on dissidents in the former Soviet Union. She defended other cyberdissidents, supported intellectuals arrested for organizing reading groups, attacked Chinese chauvinists, and, in a spoof, called for a new polit­ical party in which anyone could join and every­one could be "chairman." Arrested in November 2002 and held for nearly one year without a trial, she became a cause célèbre for human rights and press freedom groups overseas and apparently gained some notoriety within China as well. Although she had been held without trial and was never formally charged, she was imprisoned in a Beijing jail cell with three criminals. In December 2003, she was released in anticipation of Premier Wen Jiabao's visit to the U.S. Yet nine months after returning to the Beijing apartment that she shares with her grandmother, Liu still finds police secu­rity officers posted at her home. She has found it impossible to find a regular job, and police moni­tors block her screen name Stainless Steel Mouse from Web sites

In January 2004, Amnesty International documented 54 cases of individuals arrested for "cyberdissent," but concluded that the 54 cases were probably just "a fraction" of the actual number detained.[

Although President Hu's anti-porn crusade has superficially lofty goals, the nationwide crackdown conveniently tightens state control over the spread of digital information. In fact, more than 90 per­cent of the articles in China's legal regime govern­ing Internet sites is "news and information," and less than 5 percent is "other inappropriate con­tent."[

In February 2003, a mysterious virus swept through the southern Chinese province of Guang­dong, decimating the staffs of hospitals and clinics. According to The Washington Post, "there were 900 people sick with SARS [sudden acute respiratory syndrome] in Guangzhou and 45 percent of them were health care professionals." The Chinese media suppressed news of the disease, apparently in the belief that the public would panic, but: [News] reached the Chinese public in Guangdong through a short-text message, sent to mobile phones in Guangzhou around noon on Feb. 8. "There is a fatal flu in Guangzhou," it read. This same message was resent 40 million times that day, 41 million times the next day and 45 million times on Feb. 10.[36] The SARS epidemic taught the Chinese security services that mobile phone text messages are a powerful weapon against censorship and state control of the media. The Chinese government announced in 2003 new plans to censor text mes­sages distributed by mobile telephone.

Ms. Martin at Princeton knows firsthand how electronic searches can unearth both obscure texts and dead ends. She has spent the last 10 years compiling a list of books, newspaper and journal articles about the technical aspects of poetry. She recalled finding a sudden explosion of the words “syntax” and “prosody” in 1832, suggesting a spirited debate about poetic structure. But it turned out that Dr. Syntax and Prosody were the names of two racehorses.