Movistar Movistar Movistar () is a major telecommunications brand owned by Telefónica, operating in Spain and in many Hispanic American countries. It is the largest mobile phone operator in Spain with 22 million customers and 41.58% of market share, where it also markets landline, broadband and pay television (Movistar+). Its principal competitor in Latin America is América Móvil. The Movistar brand has been in use in Spain since the launch of GSM services in 1995. The name became effective worldwide on April 5, 2005, after Telefónica purchased the BellSouth mobile operations branch in South America. After the purchase of O in
AT&T Corporation The following is a list of the 16 CEOs of AT&T Corporation, from its incorporation in 1885 until its purchase by SBC Communications in 2005. AT&T Corporation AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies. During its long history, AT&T was at times the world's largest telephone company, the world's largest cable television operator, and a regulated monopoly. At its peak in the 1950s and 1960s, it employed one million people and its revenue was roughly $3