Apple rose to the top of the ranks of the Fortune 50 on the success of the iPod, iPhone, iPad and MacBook, but to continue being a market leader, it needs new products.Of the two products that Apple is believed to be working on -- a smart watch and a television -- a flat-screen TV has the potential to add billions in revenue to Apple's bottom line, according to a report from U.K.-based Generator Research.The report predicts that Apple should be able to garner about 22% o the TV set market over the next 10 years.Apple's market capitalization is around $473 billion. In order to maintain a market valuation approaching its market cap, Apple needs new products."Unless you make completely crazy assumption