Brunelli, Mark. Retrieval is the real trick of e-mail archiving. SearchExchange.com. Aug. 11, 2004.

Discussion of growth in e-mail archiving marketplace and drivers including retention regulations. Quotes Ferris Research Marc Lueschner to say the trend in archival will continue to grow for the near future. Also compares adoption rates of archival systems in the U.S. vs. ROW (Rest of World).