AT&T Inc. is one of the world's leading providers of telecommunication services, including mobile and fixed telephony services, broadband subscription television services, and network-supported multimedia services. Founded in 1877, AT&T has a rich heritage that is firmly rooted in the invention of the telephone by Alexander Graham Bell. Over the years, it has grown to establish a strong presence in over 220 countries worldwide. The company operates under three main business segments: AT&T Communications, WarnerMedia, and AT&T Latin America. AT&T Communications provides mobile, broadband, video and other communications services to U.S.-based consumers and nearly 3 million companies globally – from the smallest business to nearly all the Fortune 1000 – with highly secure, smart solutions. WarnerMedia is a leading media and entertainment company that creates and distributes premium and popular content to global audiences through its consumer brands including HBO, Warner Bros., TNT, TBS, CNN, DC Entertainment, New Line, Cartoon Network, Adult Swim and more. The AT&T Latin America segment provides entertainment services in Latin America and wireless services in Mexico.