Wireless communication remains AT&T's largest business, contributing nearly 40% of revenue. As the second- largest U.S. wireless carrier, AT&T connects more than 100 million devices, including 63 million postpaid and 16 million prepaid phone customers. The consumer and entertainment segment (about 25% of revenue) includes the consumer fixed-line and DirecTV satellite television businesses, serving 24 million television and 14 million Internet access customers. WarnerMedia (formerly Time Warner) now contributes about 18% of revenue with media assets that include HBO, the Turner cable networks, and the Warner Brothers studios. Fixed-line business communications (15%), Latin American satellite television (3%), and Mexican wireless services (2%) constitute the remainder of the firm. http://www.att.com