美国奥巴马总统2009年1月21日发表《透明和开放政府备忘录》,呼吁建设一个更加透明、易于参与的协作型政府,要求“政府机构和行政管理部门应充分运用新技术手段在网上公开其决策和运行情况以供公众随时获取”。目前,政府2.0或社交媒体在公共部门中的运用已成为美国大众的热点话题和一些院校的研究内容,各级政府部门纷纷在网上 On January 21, 2009, President Obama issued a “Transparent and Open Government Memorandum,” calling for the establishment of a more transparent and participatory collaborative government, requiring “that government agencies and administrative departments make full use of new technological means to make their online disclosures Decision-making and operational conditions for public access at any time. ” At present, the use of government 2.0 or social media in the public sector has become a hot topic in the U.S. public and the research content of some colleges and universities. Government departments at all levels