Preliminary Estimates of Electronic Medical Record Use by Office-based Physicians: United States, 2008
"...In the 2008 mail survey, 38.4% of the physicians reported using full or partial EMR systems, not including billing records, in their office-based practices. About 20.4% reported using a system described as minimally functional and including the following features: orders for prescriptions, orders for tests, viewing laboratory or imaging results, and clinical notes. Comparable figures for the 2006 NAMCS, the latest available for the full survey, were 29.2% and 12.4%, respectively."

H.R. 5811: The Electronic Message Preservation Act
[Bill Summary]"Investigations by the Oversight Committee have revealed significant deficiencies in the preservation of e-mail by the White House and federal agencies. H.R. 5811, the Electronic Message Preservation Act, introduced on April 15, 2008, by Reps. Waxman, Clay, and Hodes, modernizes the requirements of the Presidential Records Act and the Federal Records Act to ensure that these vital records are preserved for historians."