THE RISE OF A MEDIA EMPIRE ā¢ 1972: Comcast becomes a publicly traded company ā¢ 1986: Comcast purchases 26 percent of Group W Cable, doubling in size to 1.2 million cable customers ā¢ 1988: Comcast purchases 50 percent of Storer Communications Inc. and becomes fifth largest cable company with 2 million viewers ā¢ 1988: […]