According to a study by Knowledge Networks/SRI, in 2007, print yellow pages were referenced 13.4 billion times, while Internet yellow pages references increased to 3.8 billion, up from 2006's 3.3 billion online searches.
根据Knowledge Networks/SRI的一项研究，2007年，打印黄页被使用了134亿次，而互联网黄页使用量增加到38亿，高于2006年的33亿次在线搜索。