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AT&T Inc. is an American multinational conglomerate holding company. It is the world's largest telecommunications company and the largest provider of mobile telephone services. Since June 14, 2018, it is also the parent company of WarnerMedia, making it the world's largest media and entertainment company in terms of revenue.
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AT&T Inc. is an American multinational conglomerate holding company. It is the world's largest telecommunications company and the largest provider of mobile telephone services. Since June 14, 2018, it is also the parent company of WarnerMedia, making it the world's largest media and entertainment company in terms of revenue.
the-life-of-a-telephone-operator-in-1969
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# Technology

The Life of a Telephone Operator (1969)

att-tech-channel att-tech-channel 56 jaar geleden
the-transistor-and-its-coming-impact-on-technology-1953
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# Technology

The Transistor and its coming impact on technology (1953)

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