Free Internet lessons challenge textbook market for public schools - The Washington Post - 0 views
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Seventy-four percent of elementary school teachers reported that they used free Internet resources for lessons that they flashed on computerized white boards or offered on desktops or other gadgets, compared with 65 percent who said their digital content came from commercial providers, according to a January survey by Simba Information, a market research company.
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The survey found that middle and high school teachers also gravitated more toward free online content.