I'm a bartender and as far as I know a dive bar is one that is dirty and the people that patronize it are just as dirty as it is. Physically, mentally, etc. a dive bar is a grimy, dirty, non-pretentious bar, where tough guys with tattoos and mean drunks hang out and posers get the crap beat out of them.
It has a market cap of $173.5 billion and revenues of $48.813 billion as of December 31, 2014. Comcast Corp (CMCSA): Established in 1963 with headquarters in Philadelphia, Comcast is one of the largest global media, entertainment and communications companies listed on the NASDAQ. Its business is run through five segments: Cable Communications (video, high-speed Internet, and voice services)
Some billionaires, like Rupert Murdoch and Michael Bloomberg are longtime media moguls who made their fortunes in the news business. Others, like Amazon founder Jeff Bezos, bought publications as a side investment after building a substantial fortune in another industry.