(Reuters) – Twitter Inc plans to open an office in Hong Kong early next year to serve greater China and tap advertising revenue from Chinese companies, the Wall Street Journal reported. The office is set to open in the first quarter of 2015 and will mainly house sales staff, Shailesh Rao, Twitter’s vice president for Asia Pacific, the Americas and emerging markets, told The Wall Street Journal. Twitter has been blocked by Chinese censors since 2009. Even if it does […]