sentences:  The term information sharing gained popularity as a result of the 9/11 Commission Hearings and its report of the United States government's lack of response to information known about the planned terrorist attack on the New York City World Trade Center prior to the event.The resulting commission report led to the enactment of several executive orders by President Bush that mandated agencies implement policies to "share information" across organizational boundaries.In addition, an Information Sharing Environment Program Manager (PM-ISE) was appointed, tasked to implement the provisions of the Intelligence Reform and Terrorism Prevention Act of 2004.