Comcast Entertainment Group operates E! Entertainment Television, the 24-hour network with programming dedicated to the world of entertainment as well as E! Online, The Style Network, G4, FEARnet, Golf Channel, TV One, PBS KIDS Sprout, VERSUS, and ExcerciseTV. Comcast Corporation is the nation's leading provider of cable, entertainment and communications products and services, with 23.9 million cable customers, 15.3 million high-speed Internet customers and 7.0 million Comcast Digital Voice customers. Comcast is principally involved in the development, management and operation of cable networks and in the delivery of programming content.