From tablets to Google Glasses, education technology has a colorful history. Take a look back and a peek forward.
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Johannes Gutenberg's printing press, a watershed technological advance in 1450, certainly helped accelerate literacy in Europe, and was a boon to the mission of the Catholic Church. But the press also enabled wider publication of books the Church deemed heretical during the Protestant Reformation. In 1559, Pope Paul IV ordered the first Index Librorum Prohibitorum, or Index of Prohibited Books. The index, issued 20 more times by different popes, was published for the last time in 1948.