Discovery Channel (formerly The Discovery Channel from 1985 to 1995, and often referred to as simply Discovery) is an American basic cable and satellite television channel (which is also delivered via IPTV, terrestrial television and internet television in other parts of the world) that is the flagship television property of Discovery Communications, a publicly traded company run by CEO David Zaslav. As of June 2012, Discovery Channel is the third most widely distributed cable channel in the United States, behind TBS and The Weather Channel; it is available in 409 million households worldwide, through its U.S. flagship channel and its various owned or licensed television channels internationally.