READ WRITE WEB – Jan 31 – Twitter and LinkedIn will continue to see strong advertisemnet growth, with Twitter’s revenue expected to nearly double between 2012 and 2014, according to a report by eMarketer Digital Intelligence. Twitter gets 90% of its revenue from U.S. advertisiers, while LinkedIn depends more on foreign adverisers, with just 68% of its 2012 ad revenue expected to come from U.S. advertisers. eMarketer is projecting 83% revenue growth for Twitter this year, down from 233% in 2011, and 46.1% revenue growth for LinkedIn, down from 95% in 2011.