New Delhi: The United State of America is the world's largest national economy, with an estimated 2013 GDP of $16.2 trillion –22% of global GDP at purchasing-power parity, as of 2011. It is the world's
ten interesting facts to know about usaImage Source : INDIATV
One survey found that 25 percent of all employees that have Internet access in the United States visit pornography websites while they are at work.