Charter Communications, Inc., through its subsidiaries, provides entertainment, information, and communications solutions to residential and commercial customers in the United States. The company offers cable video programming services, including basic and digital video, premium channels, on-demand, pay-per-view, high definition television, and digital video recorder services, as well as Charter TV App, which enables video customers to search and discover content on various devices, including the iPhone, iPad, iPod Touch, and Android based tablets. It also provides Internet services, such as residential Internet services; Charter.net, an Internet portal that provides multiple e-mail addresses, as well as various entertainment, games, news, and sports content; and Charter Security Suite, which protects computers from viruses and spyware, as well as offers parental control features. In addition, the company provides telephone services comprising voice communications services primarily using voice over Internet protocol technology; broadband communications solutions comprising video entertainment services, Internet access, business telephone services, data networking, and fiber connectivity to cellular towers and office buildings for business and carrier organizations. As of December 31, 2014, it served approximately 4.2 million residential video customers; approximately 4.8 million residential Internet customers; approximately 2.4 million residential voice service customers; approximately 619,000 commercial primary service units, primarily small- and medium-sized commercial customers. The company was founded in 1999 and is headquartered in Stamford, Connecticut.