1 gen 2000 anni - By the 21st century, the Internet became a staple to educational technology allowing students to learn online.

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By The Opte Project [CC BY 2.5 (http://creativecommons.org/licenses/by/2.5) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons

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