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AT&T Inc. is a diversified telecommunications and digital services company that provides wireless voice and data plans, fiber‑optic broadband, pay‑television, and enterprise solutions such as cloud and networking services. It operates primarily in the communication services sector, maintaining one of the United States’ largest wireless and fixed‑line networks. The company is a leading provider of both consumer and business connectivity, and it has historically expanded its reach through acquisitions of media and technology assets, positioning itself as a key player in the convergence of communications and digital entertainment.