PDF - http://www.rand.org/pubs/rgs_dissertations/2005/RAND_RGSD186.pdf
"Compares how policymakers’ use of intelligence to support the policymaking process has changed. The intelligence community’s Intelink nework, the Internet, and web-based sources of analysis have not become major contributors to the policymaking process. Policymakers still find intelligence analysis useful for supporting the policymaking process, especially when it's conveyed through a one-on-one intelligence briefing."