Wireless is AT&T's largest business, contributing about 40% of revenue. The firm is the third- largest U.S. wireless carrier, connecting 64 million postpaid and 17 million prepaid phone customers. WarnerMedia contributes a bit less than 20% of revenue with media assets that include HBO, the Turner cable networks, and the Warner Brothers studios. Fixed-line business communications services, provided to a wide range of entities, provide about 15% of revenue. The consumer broadband segment (about 7% of revenue) primarily provides broadband service to 15 million households. The firm recently sold a stake in its traditional television business, which serves 17 million customers and generates about 17% of sales. This business will be removed from AT&T's financials going forward.AT&T Inc is engaged in provision of communications and digital entertainment services in the United States and the world. It provides fixed-line services, including voice, data, and television services to consumers and small businesses.